### Convert 45 f to c -

## Temperature Converter

Enter the value of the temperature you would like to convert and select its unit. Then select the unit you want to convert to.

### How to Convert Celsius to Fahrenheit

- Take the temperature in Celsius and multiply 1.8
- Add 32 degrees
- The result is degrees Fahrenheit.

### How to Convert Fahrenheit to Celsius

- Take the temperature in Fahrenheit subtract 32
- Divide by 1.8
- The result is degrees Celsius

### How to Convert Celsius to Kelvin

**K = C + 273.15**

Where **K = Degrees in Kelvin** and **C = Degrees in Celcius**

The Celsius and Kelvin scales use the same size degrees, but Kelvin has a zero point at absolute zero, not the freezing point of water. So Kelvin temperatures have values 273.15 degrees higher than the same temperature in Celsius.

Example : the boiling point of water is 100 °C , which is equal to 373.15 K

The Kelvin scale is based on the concept of Absolute Zero, the temperature at wich matter stops vibrating. This temperature is -273.15 °C.

### Common Temperature Conversions

### Convert Degree Celsius (°C) to…

- 1 degree Celsius (°C) = 33.8 degree Fahrenheit (°F)
- 1 degree Celsius (°C) = 274.15 Kelvin

### Convert Degree Fahrenheit (°F) to…

- 1 degree Fahrenheit (°C) = -17.222* degree Celsius (°C)
- 1 degree Fahrenheit (°C) = 255.928* Kelvin

### Convert Kelvin to…

- 0 Kelvin = -273.15 degree Celsius (°C)
- 0 Kelvin = -459.67 degree Fahrenheit (°F)

* Calculation to 3 decimal places

## What's the Easiest Way to Convert Fahrenheit to Celsius?

What's the difference between Celsius and Fahrenheit? It's really a quirk of history and a simple mathematical conversion. Learn the easiest way to convert Fahrenheit to Celsius as well as the reverse calculation with simple equations and a chart.

### Converting Fahrenheit to Celsius

Some would consider a quick estimate the easiest way to convert a Fahrenheit temperature to a Celsius temperature. Others want a more precise answer quickly. Here, you can learn both methods.

### Fahrenheit to Celsius Estimate Formula

Use this formula to get a good estimate of the Celsius temperature when converting from Fahrenheit. In this case */ *means divided by or to use division.

(Fahrenheit temp. [F]-30)/2 = Celsius temp.

In other words, if you’d like to convert a Fahrenheit temperature to an approximate Celsius temperature:

- Start with the temperature in Fahrenheit (e.g., 100 degrees).
- Subtract 30 from this figure (e.g., 100 - 30 = 70).
- Divide your answer by 2 (e.g., 70 / 2 = 35).

### Fahrenheit to Celsius Exact Formula

If you want a more precise calculation, you can use the more exact formula. Using this calculation, we determine that 100 degrees Fahrenheit is equivalent to 37.78 degrees Celsius.

(F - 32) / 1.8 = C

In other words, if you'd like to convert a temperature reading in Fahrenheit to Celsius:

- Start with the temperature in Fahrenheit (e.g., 100 degrees).
- Subtract 32 from this figure (e.g., 100 - 32 = 68).
- Divide your answer by 1.8 (e.g., 68 / 1.8 = 37.78)

### Converting Celsius to Fahrenheit

To convert Celsius to Fahrenheit, simply reverse the equation. In this case * means times, or to use multiplication.

(C * 1.8) + 32 = F

You can use this equation to show that 100 degrees Celsius is equal to 212 degrees Fahrenheit.

- Start with the temperature in Celsius (e.g., 100 degrees).
- Multiply this figure by 1.8 (e.g., 100 * 1.8 = 180).
- Add 32 to this figure (e.g., 180 + 32 = 212).

### Fahrenheit to Celsius Conversion Chart

If you really want an easy way to convert temperatures, you can use this Fahrenheit to Celsius conversion chart where the math has already been done for you.

View & Download PDF

### What's the Difference Between Fahrenheit and Celsius?

If you're from the United States, you're probably accustomed to describing temperature by Fahrenheit. A very hot summer day is 100 degrees, a pleasant spring morning is 50 degrees, and 0 degrees is ungodly cold. If you're from almost anywhere else, you likely favor Celsius, where 0 degrees is only pretty cold, 50 degrees is unspeakably hot, and 100 degrees happens on a stove, not outside.

### Are Fahrenheit and Celsius Readings Ever the Same?

If you were wondering if there is a temperature where Fahrenheit and Celsius are the same, it's at 40 below zero, also known as -40 or negative 40. At all other temperatures, the difference is history.

### History of Fahrenheit and Celsius Scales

Globally, the standard scale for everyday use is Celsius. Only the United States, islands freely associated with the US (Palau, the Marshall Islands and Micronesia), the Bahamas, the Caymans, and Liberia use Fahrenheit as their primary temperature measurement. Everybody else goes with Celsius.

### History of the Fahrenheit Scale

The Fahrenheit scale was created by Daniel Gabriel Fahrenheit in 1724. Fahrenheit invented his scale for use with mercury thermometers, which he also invented. The Fahrenheit scale is a bit older than the Celsius scale.

### History of the Celsius Scale

The Celsius scale was created by Anders Celsius in 1745, a couple decades after Fahrenheit. Curiously, Celsius created the reverse of the modern scale, treating 0 as the boiling point of water and 100 as the freezing point of water. Other scientists, notably Carl Linnaeus, flipped it later that year, making 0 the freezing point and 100 the boiling point of water.

Since it was originally built as a scale between 0 and 100, Celsius is also called centigrade. The word "centigrade" literally describes something that consists of or is divided into 100 degrees. That said, Celsius has been the preferred nomenclature since 1948.

### The Kelvin Temperature Unit

You may have heard of temperature being measured according to kelvin. Indeed, if you're involved in the sciences, you probably use kelvin. Kelvin is a bit different than Fahrenheit and Celsius. Celsius and Fahrenheit are both temperature scales, measuring temperatures in degrees.

### History of the Kelvin Unit

Named after Lord Kelvin, a kelvin is a standard scientific unit, like a kilogram for weight or a meter for distance. The proper way to use the word, then, is not "100 degrees Kelvin" but "100 kelvin." (Note the lower case "k" in kelvin.)

1 kelvin equals 1/273.16th of the triple point of water: that is, the point at which liquid water, water vapor and solid ice can coexist. In other words, 273.16 kelvin is the exact triple point of water.

### The Importance of Kelvin

The importance of kelvin is that it measures absolute temperature: absolute zero is 0 kelvin, the temperature at which all atomic motion (which creates heat) stops. There is no thermal energy whatsoever at absolute zero.

### Kelvin Conversion Formulas

Kelvin is primarily of value to scientists, since it simplifies calculation at extreme temperatures. For your convenience, the conversion equations follow.

- To convert:
**Celsius to kelvin**: C + 273.15 = K. To convert

**Fahrenheit to kelvin**: [(F - 32) / 1.8] + 273.15 = K

You convert Celsius to Kelvin by simply adding 273.15. If the outside temperature is 10 degrees Celsius, then it is 283.15 kelvin. That's easy enough.

Fahrenheit is a bit trickier. Take your degrees Fahrenheit, subtract 32, divide by 1.8, and finally add 273.15. Here's a quick example:

- Say it is 100 degrees Fahrenheit outside.
- Subtract 32 from 100 to get 68.
- Divide 68 by 1.8 to get 37.78.
- Add 273.15 to get 310.93. Thus, 100 degrees Fahrenheit is equal to 310.93 kelvin.

### Taking Temperatures

Temperature is important! Measuring heat accurately matters in every field of human endeavor, from engineering to medicine. For more on how to manage your temperature, take a look at this automatic Celsius to Fahrenheit converter. It'll make short work of all your temperature conversions.

### Michele Meleen

Staff Editor

## Kwgt temperature celsius

#### Kwgt temperature celsius

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The screen brightness can be set manually or automatically by a light sensor. Oct 25, 2017 · Go to KWGT and edit our At A Glance widget. Invented in 1742 by the Swedish astronomer Anders Celsius, it is sometimes called the centigrade scale because of the 100-degree interval between the defined points. Visibility. jango1969 The problem is KWGT consistently is showing about a 10 degrees Fahrenheit difference between what weather. He used to build WordPress websites but gave it all up to develop little iOS games instead. Ratings: 4. Jul 15, 2011 · Using the above formula, you would first subtract 32 from the Fahrenheit temperature and get 66. Temperature 15–31°C Relativehumidity Upto80%(noncondensing) Altitude Upto2,000metersabovesealevel Pollutiondegree 2 Table5. From the same creator of Nebbia and Nebbia Pro, here’s Aleria. 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Jan 28, 2020 · For most people, AccuWeather, The Weather Channel, and Weather Underground are helpful. 6 o F There is a mental math method to convert from Celsius to Fahrenheit. Below is the formula to convert a Celsius scale temperature into degrees on the Fahrenheit scale. دانلود نرم افزار Weather App Pro 1. Humid and mostly cloudy throughout the day. KLWP also launch by the same developer. Temperature. Monitors your system. Pressure. At Items tab, click the first item (Date & weather (no event)). Temperature feels like 7° 45°. Timely is one of the popular clocks for Android device ever. (94 °C for 5 min), followed by 39 cycles at 94 °C for 1min, 42 °C for 1 min and 72 °C for 1 min 30 sec, terminating with a final extension at 72 °C for 10 min. 5 degrees C. Thursday 22:00 EDT. Change the temp wherever you are with the Google Home app. Southwest wind 5 to 10 mph becoming northwest after midnight. Change the colors, fonts, background and more. Updated 11/15 @ 10:00 PM ET. 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## Conversion of Temperature

### Quick Celsius (**°C**) / Fahrenheit (**°F**) Conversion:

measure/images/thermometer.js?mode=boxes

Type a value in either box

Or use the slider

Or the Interactive Thermometer

Or this method:

°C to °F | Divide by 5, then multiply by 9, then add 32 |

°F to °C | Deduct 32, then multiply by 5, then divide by 9 |

(Explanation Below ...)

### Typical Temperatures

(only **bold** are exactly the same)

°C | °F | Description | |
---|---|---|---|

220 | 430 | Hot Oven | |

180 | 360 | Moderate Oven | |

100 | 212 | Water boils | |

40 | 104 | Hot Bath | |

37 | 98.6 | Body temperature | |

30 | 86 | Beach weather | |

21 | 70 | Room temperature | |

10 | 50 | Cool Day | |

0 | 32 | Freezing point of water | |

−18 | 0 | Very Cold Day | |

−40 | −40 | Extremely Cold Day (and the same number!) |

*16 is about 61 28 is about 82*

### Explanation

There are two main temperature scales:

**°C**, the**Celsius Scale**(part of the Metric System, used in most countries)**°F**, the**Fahrenheit Scale**(used in the US)

They both measure the same thing (temperature!), but use different numbers:

- Boiling water (at normal pressure) measures
**100° in Celsius, but 212° in Fahrenheit** - And as water freezes it measures
**0° in Celsius, but 32° in Fahrenheit**

Like this:

Looking at the diagram, notice:

- The scales start at a different number (0 vs 32), so we will need to add or subtract 32
- The scales rise at a different rate (100 vs 180), so we will also need to multiply

And so, to convert:

from Celsius to Fahrenheit: first multiply by *180***100**, then add 32

from Fahrenheit to Celsius: first subtract 32, then multiply by *100***180**

*180***100** can be simplified to ** 95**,

and

*100*

**180**can be simplified to

**, so we get this:**

*5***9****°C to °F:** Divide by 5, then multiply by 9, then add 32

**°F to °C:** Subtract 32, then multiply by 5, then divide by 9

### Example: Convert 25° Celsius *(a nice warm day)* to Fahrenheit

*First:* 25° / 5 = 5*Then:* 5 × 9 = 45*Then:* 45 + 32 = **77° F**

### Example: Convert 98.6° Fahrenheit *(normal body temperature)* to Celsius

*First:* 98.6° − 32 = 66.6*Then:* 66.6 × 5 = 333*Then:* 333 / 9 = ** 37° C**

We can swap the order of divide and multiply if we want, but don't change the add or subtract. So this is also OK:

### Example: Convert 98.6° Fahrenheit to Celsius (again)

*First:* 98.6° − 32 = 66.6*Then:* 66.6 / 9 = 7.4*Then:* 7.4 × 5 = ** 37° C**

(Same answer as before, was it easier or harder this way?)

Celsius to Fahrenheit: (°C × *9***5**) + 32 = °F

Fahrenheit to Celsius: (°F − 32) × *5***9** = °C

### Other Methods That Work

### Use 1.8 instead of 9/5

9/5 is equal to 1.8, so we can also use this method:

Celsius to Fahrenheit: °C × 1.8 + 32 = °F

Fahrenheit to Celsius: (°F − 32) / 1.8 = °C

To make "×1.8" easier we can **multiply by 2 and subtract 10%**, but it only works for °C to °F:

Celsius to Fahrenheit: (°C × 2) less 10% + 32 = °F

### Example: Convert 20° Celsius *(A nice day)* to Fahrenheit

**20**x2 = 40- less 10% is 40−4 = 36
- 36+32 =
**68° F**

### Add 40, Multiply, Subtract 40

Since both scales cross at **−40°** (−40° C equals −40° F) we can:

- add 40,
- multiply by 5/9 (for °F to °C), or 9/5 (for °C to °F)
- subtract 40

Like this:

Celsius to Fahrenheit: Add 40, multiply by 9/5, then subtract 40

Fahrenheit to Celsius: Add 40, multiply by 5/9, then subtract 40

### Example: Convert 10° Celsius *(A cool day)* to Fahrenheit

**10**+40 = 50- 50×9/5 = 90
- 90−40 =
**50° F**

To remember 9/5 for °C to °F think *"F is greater than C, so there are more °F than °C"*

### Quick, but **Not Accurate**

Celsius to Fahrenheit: Double, then add 30

Fahrenheit to Celsius: Subtract 30, then halve

Examples °C → °F:

**0° C**→ 0+30 →**30° F**(low by 2°)**10° C**→ 20+30 →**50° F**(exact!)**30° C**→ 60+30 →**90° F**(high by 4°)**180° C**→ 360+30 →**390° F**(high by 34°, not good)

Examples °F → °C:

**40° F**→ 10/2 →**5° C**(almost right)**80° F**→ 50/2 →**25° C**(low by about 2°)**120° F**→ 90/2 →**45° C**(low by about 4°)**450° F**→ 420/2 →**210° C**(low by about 22°, not good)

Footnote: **Temperature **is a measure of how fast an object's particles are moving.

1041, 1042, 1043, 1044, 3724, 3725, 3726, 3727, 3728, 3729

Interactive ThermometerMetric - Imperial Conversion ChartsHow to Convert Imperial to MetricHow to Convert Metric to ImperialUnit ConverterMeasurement Index

## How do you convert Celsius to Fahrenheit and what are the hottest temperatures recorded in the UK?

THERE are two ways to measure temperature, Celsius and Fahrenheit.

The one officially used and recognised in the UK is Celsius but many other places around the world use the Fahrenheit scale. Here's how you can figure out the temp no matter the format.

### Why is there degrees Celsius and Fahrenheit?

Degrees Celsius is the most common format of temperature in the UK.

It comes from the metric system of measurement, whereas Fahrenheit is taken from the Imperial system.

The UK began the switch to the Metric system from the Imperial system in the 60s.

The Metric system started being taught in schools in 1974, meaning that most people are more familiar with Celsius than Fahrenheit.

### How do you convert Celsius to Fahrenheit?

If the temperature is 0 degrees Celsius then it will be 32 degrees Fahrenheit.

In order to convert a temperature from Celsius to Fahrenheit, multiply the °C temperature by 1.8 and add 32 to the number.

This is the answer in °F.

### How do you convert Fahrenheit to Celsius?

In order to convert degrees Fahrenheit into Celsius, first, take the °F temperature and subtract 32.

Multiply the number you are left with by five, then divide the number by nine.

This is the answer in °C.

### What was the hottest temperature ever recorded in the UK?

The hottest temperature in the UK was recorded in Gravesend, Kent on Sunday, August 10, 2003.

The temperature hit 38°C (100.6°F), topping the last record taken earlier that same day in Heathrow, where the temperature soared to 37.9°C (100.2°F).

Before that record-breaking day, the hottest temperature ever recorded in UK history was in Cheltenham in 1990; the mercury hit 37.1°C (98.8°F).

A more recent record came on June 21, 2017, when Britain had it's hottest June day for 40 years.

The temperature was recorded at Heathrow, where the thermometer hit a scorching 34.5°C (94.1°F).

That Wednesday came close to the highest June temp ever recorded - 35.6°C (96.08°F) recorded in Southampton in June 1976.

Topics

## Convert 45 Celsius to Fahrenheit

What is 45 degrees Celsius in Fahrenheit? Just type in either box, and the number in the other box will be converted automatically.

How hot is 45 degrees Celsius? How cold? Convert between Fahrenheit and Celsius.

More temperatures starting with 45 degrees in Celsius

Note: results are rounded

45.00 °C = 113.00 °F | 45.30 °C = 113.54 °F | 45.60 °C = 114.08 °F | 45.90 °C = 114.62 °F |

45.01 °C = 113.02 °F | 45.31 °C = 113.56 °F | 45.61 °C = 114.10 °F | 45.91 °C = 114.64 °F |

45.02 °C = 113.04 °F | 45.32 °C = 113.58 °F | 45.62 °C = 114.12 °F | 45.92 °C = 114.66 °F |

45.03 °C = 113.05 °F | 45.33 °C = 113.59 °F | 45.63 °C = 114.13 °F | 45.93 °C = 114.67 °F |

45.04 °C = 113.07 °F | 45.34 °C = 113.61 °F | 45.64 °C = 114.15 °F | 45.94 °C = 114.69 °F |

45.05 °C = 113.09 °F | 45.35 °C = 113.63 °F | 45.65 °C = 114.17 °F | 45.95 °C = 114.71 °F |

45.06 °C = 113.11 °F | 45.36 °C = 113.65 °F | 45.66 °C = 114.19 °F | 45.96 °C = 114.73 °F |

45.07 °C = 113.13 °F | 45.37 °C = 113.67 °F | 45.67 °C = 114.21 °F | 45.97 °C = 114.75 °F |

45.08 °C = 113.14 °F | 45.38 °C = 113.68 °F | 45.68 °C = 114.22 °F | 45.98 °C = 114.76 °F |

45.09 °C = 113.16 °F | 45.39 °C = 113.70 °F | 45.69 °C = 114.24 °F | 45.99 °C = 114.78 °F |

45.10 °C = 113.18 °F | 45.40 °C = 113.72 °F | 45.70 °C = 114.26 °F | 145 °C = 293 °F |

45.11 °C = 113.20 °F | 45.41 °C = 113.74 °F | 45.71 °C = 114.28 °F | 245 °C = 473 °F |

45.12 °C = 113.22 °F | 45.42 °C = 113.76 °F | 45.72 °C = 114.30 °F | 345 °C = 653 °F |

45.13 °C = 113.23 °F | 45.43 °C = 113.77 °F | 45.73 °C = 114.31 °F | 445 °C = 833 °F |

45.14 °C = 113.25 °F | 45.44 °C = 113.79 °F | 45.74 °C = 114.33 °F | 545 °C = 1,013 °F |

45.15 °C = 113.27 °F | 45.45 °C = 113.81 °F | 45.75 °C = 114.35 °F | 645 °C = 1,193 °F |

45.16 °C = 113.29 °F | 45.46 °C = 113.83 °F | 45.76 °C = 114.37 °F | 745 °C = 1,373 °F |

45.17 °C = 113.31 °F | 45.47 °C = 113.85 °F | 45.77 °C = 114.39 °F | 845 °C = 1,553 °F |

45.18 °C = 113.32 °F | 45.48 °C = 113.86 °F | 45.78 °C = 114.40 °F | 945 °C = 1,733 °F |

45.19 °C = 113.34 °F | 45.49 °C = 113.88 °F | 45.79 °C = 114.42 °F | 1,045 °C = 1,913 °F |

45.20 °C = 113.36 °F | 45.50 °C = 113.90 °F | 45.80 °C = 114.44 °F | 1,145 °C = 2,093 °F |

45.21 °C = 113.38 °F | 45.51 °C = 113.92 °F | 45.81 °C = 114.46 °F | 1,245 °C = 2,273 °F |

45.22 °C = 113.40 °F | 45.52 °C = 113.94 °F | 45.82 °C = 114.48 °F | 1,345 °C = 2,453 °F |

45.23 °C = 113.41 °F | 45.53 °C = 113.95 °F | 45.83 °C = 114.49 °F | 1,445 °C = 2,633 °F |

45.24 °C = 113.43 °F | 45.54 °C = 113.97 °F | 45.84 °C = 114.51 °F | 1,545 °C = 2,813 °F |

45.25 °C = 113.45 °F | 45.55 °C = 113.99 °F | 45.85 °C = 114.53 °F | 1,645 °C = 2,993 °F |

45.26 °C = 113.47 °F | 45.56 °C = 114.01 °F | 45.86 °C = 114.55 °F | 1,745 °C = 3,173 °F |

45.27 °C = 113.49 °F | 45.57 °C = 114.03 °F | 45.87 °C = 114.57 °F | 1,845 °C = 3,353 °F |

45.28 °C = 113.50 °F | 45.58 °C = 114.04 °F | 45.88 °C = 114.58 °F | 1,945 °C = 3,533 °F |

45.29 °C = 113.52 °F | 45.59 °C = 114.06 °F | 45.89 °C = 114.60 °F | 2,045 °C = 3,713 °F |

Home / Temperature Converters / Fahrenheit to Celsius Converter / Convert 45 Fahrenheit to Celsius

The online Fahrenheit to Celsius (f to c) Converter is used to convert temperature from Fahrenheit (â) to Celsius (â).

#### The Fahrenheit to Celsius Formula to convert 45 F to C

How to convert 45 Fahrenheit to Celsius? You can use the following formula to convert Fahrenheit to Celsius:

X(â)

= ( Y(â) - 32 ) Ã5/9

To convert 45 Fahrenheit to Celsius:

X(â)

= ( 45(â) - 32 ) Ã5/9

Answer: 7.2222 â

#### Fahrenheit to Celsius conversion table

Degree Fahrenheit(â) | Degree Celsius(â) |
---|---|

0 â | -17.777778 â |

10 â | -12.222222 â |

20 â | -6.666667 â |

30 â | -1.111111 â |

32 â | 0 â |

40 â | 4.444444 â |

50 â | 10 â |

60 â | 15.555556 â |

70 â | 21.111111 â |

80 â | 26.666667 â |

90 â | 32.222222 â |

94 â | 34.444444 â |

95 â | 35 â |

96 â | 35.555556 â |

97 â | 36.111111 â |

98 â | 36.666667 â |

99 â | 37.222222 â |

100 â | 37.777778 â |

101 â | 38.333333 â |

102 â | 38.888889 â |

120 â | 48.888889 â |

130 â | 54.444444 â |

140 â | 60 â |

150 â | 65.555556 â |

160 â | 71.111111 â |

170 â | 76.666667 â |

180 â | 82.222222 â |

190 â | 87.777778 â |

200 â | 93.333333 â |

#### Frequently asked questions to convert F to C

How to convert 111 fahrenheit to celsius ?

*Answer: 43.888889 â*

How to convert 33 fahrenheit to celsius ?

*Answer: 0.555556 â*

How to convert 7 fahrenheit to celsius ?

*Answer: -13.888889 â*

How to convert 90 fahrenheit to celsius ?

*Answer: 32.222222 â*

How to convert 37 fahrenheit to celsius ?

*Answer: 2.777778 â*

How to convert 12 fahrenheit to celsius ?

*Answer: -11.111111 â*

To convert from Fahrenheit to degree Celsius instantly, please use our Fahrenheit to Celsius Converterfor free.

#### References

More references for

*Fahrenheit*and

*Celsius*

#### Best conversion unit for 45 â

The best conversion unit defined in our website is to convert a number as the unit that is the lowest without going lower than 1. For 45 â, the best unit to convert to is 45 â.

## Conversion of Temperature

### Quick Celsius (**°C**) / Fahrenheit (**°F**) Conversion:

measure/images/thermometer.js?mode=boxes

Type a value in either box

Or use the slider

Or the Interactive Thermometer

Or this method:

°C to °F | Divide by 5, then multiply by 9, then add 32 |

°F to °C | Deduct 32, then multiply by 5, then divide by 9 |

(Explanation Below .)

### Typical Temperatures

(only **bold** are exactly the same)

°C | °F | Description | |
---|---|---|---|

220 | 430 | Hot Oven | |

180 | 360 | Moderate Oven | |

100 | 212 | Water boils | |

40 | 104 | Hot Bath | |

37 | 98.6 | Body bank of america credit card phone number hours Beach weather | |

21 | 70 | Room temperature | |

10 | 50 | Cool Day | |

0 | 32 | Freezing point of water | |

−18 | 0 | Very Cold Day | |

−40 | −40 | Extremely Cold Day (and the same number!) |

*16 is about 61 28 is about 82*

### Explanation

There are two main temperature scales:

**°C**, the**Celsius Scale**(part of the Metric System, used in most countries)**°F**, the**Fahrenheit Scale**(used in the US)

They both measure the same thing (temperature!), but use different numbers:

- Boiling water (at normal pressure) measures
**100° in Celsius, but 212° in Fahrenheit** - And as water freezes it measures
**0° in Celsius, but 32° in Fahrenheit**

Like this:

Looking at the diagram, notice:

- The scales start at a different number (0 vs 32), so we will need to add or subtract 32
- The scales rise at a different rate (100 vs 180), so we will also need to multiply

And so, to convert:

from Celsius to Fahrenheit: first multiply by *180***100**, then add 32

from Fahrenheit to Celsius: first subtract 32, then multiply by *100***180**

*180***100** can be simplified to ** 95**,

and

*100*

**180**can be simplified to

**, so we get this:**

*5***9****°C to °F:** Divide by 5, then multiply by 9, then add 32

**°F to °C:** Subtract 32, then multiply by 5, then divide by 9

### Example: Convert 25° Celsius *(a nice warm day)* to Fahrenheit

*First:* 25° / 5 = 5*Then:* 5 × 9 = 45*Then:* 45 + 32 = **77° F**

### Example: Convert 98.6° Fahrenheit *(normal body temperature)* to Celsius

*First:* 98.6° − 32 = 66.6*Then:* 66.6 × 5 = 333*Then:* 333 / 9 = ** 37° C**

We can swap the order of divide and multiply if we want, but don't change the add or subtract. So this is also OK:

### Example: Convert 98.6° Fahrenheit to Celsius (again)

*First:* 98.6° − 32 = 66.6*Then:* 66.6 / 9 = 7.4*Then:* 7.4 × 5 = ** 37° C**

(Same answer as before, was it easier or harder this way?)

Celsius to Fahrenheit: (°C × *9***5**) + 32 = °F

Fahrenheit to Celsius: (°F − 32) × *5***9** = °C

### Other Methods That Work

### Use 1.8 instead of 9/5

9/5 is equal to 1.8, so we can also use this method:

Celsius to Fahrenheit: °C × 1.8 + 32 = °F

Fahrenheit to Celsius: (°F − 32) / 1.8 = °C

To make "×1.8" easier we can **multiply by 2 and subtract 10%**, but it only works for °C to °F:

Celsius to Fahrenheit: (°C × 2) less 10% + 32 = °F

### Example: Convert 20° Celsius *(A nice day)* to Fahrenheit

**20**x2 = 40- less 10% is 40−4 = 36
- 36+32 =
**68° F**

### Add 40, Multiply, Subtract 40

Since both scales cross at **−40°** (−40° C equals −40° F) we can:

- add 40,
- multiply by 5/9 (for °F to °C), or 9/5 (for °C to °F)
- subtract 40

Like this:

Celsius to Fahrenheit: Add 40, multiply by 9/5, then subtract 40

Fahrenheit to Celsius: Add 40, multiply by 5/9, then subtract 40

### Example: The reach key west spa 10° Celsius *(A cool day)* to Fahrenheit

**10**+40 = 50- 50×9/5 = 90
- 90−40 =
**50° F**

To remember 9/5 for °C to °F think *"F is greater than C, so there are more °F than °C"*

### Quick, but **Not Accurate**

Celsius to Fahrenheit: Double, then add 30

Fahrenheit to Celsius: Subtract 30, then halve

Examples °C → °F:

**0° C**→ 0+30 →**30° F**(low by 2°)**10° C**→ 20+30 →**50° F**(exact!)**30° C**→ 60+30 →**90° F**(high by 4°)**180° C**→ 360+30 →**390° F**(high by 34°, not good)

Examples °F → °C:

**40° F**→ 10/2 →**5° C**(almost right)**80° F**→ 50/2 →**25° C**(low by about 2°)**120° F**→ 90/2 →**45° C**(low by about 4°)**450° F**→ 420/2 →**210° C**(low by about convert 45 f to c, not good)

Footnote: **Temperature **is a measure of how fast an object's particles are moving.

1041, 1042, 1043, 1044, 3724, 3725, 3726, 3727, 3728, 3729

Interactive Convert 45 f to c - Imperial Conversion ChartsHow to Convert Imperial to MetricHow to Convert Metric to ImperialUnit ConverterMeasurement Index

## How do you convert Celsius to Fahrenheit and what are the hottest temperatures recorded in the UK?

THERE are two ways to measure temperature, Celsius and Fahrenheit.

The one officially used and recognised in the UK is Celsius but many other places around the world use the Fahrenheit scale. Here's how you can figure out the temp no matter the format.

### Why is there degrees Celsius and Fahrenheit?

Degrees Celsius is the most common format of temperature in the UK.

It comes from the metric system of measurement, whereas Fahrenheit is taken from the Imperial system.

The UK began the switch to the Metric system from the Imperial system in the 60s.

The Metric system started being taught in schools in 1974, *convert 45 f to c* that most people are more familiar with Celsius than Fahrenheit.

### How do you convert Celsius to Fahrenheit?

If the temperature is 0 degrees Celsius then it will be 32 degrees Fahrenheit.

In order to convert a temperature from Celsius to Fahrenheit, multiply the °C temperature by 1.8 and add 32 to the number.

This is the answer in °F.

### How do you convert Fahrenheit to Celsius?

In order to convert degrees Fahrenheit into Celsius, first, take the °F temperature and subtract 32.

Multiply the number you are left with by five, then divide the number by nine.

This is the answer in °C.

### What was the hottest temperature ever recorded in the UK?

The hottest temperature in the UK was recorded in Gravesend, Kent on Sunday, August 10, 2003.

The temperature hit 38°C (100.6°F), topping the last record taken earlier that same day in Heathrow, where the temperature soared to 37.9°C (100.2°F).

Before that record-breaking day, the hottest temperature ever recorded in UK history was in Cheltenham in 1990; the mercury hit 37.1°C (98.8°F).

A more recent record came on June 21, 2017, when Britain had it's hottest June day for 40 years.

The temperature was recorded at Heathrow, where the thermometer hit a scorching 34.5°C (94.1°F).

That Wednesday came close to the highest June temp ever recorded - 35.6°C (96.08°F) recorded in Southampton in June 1976.

Topics

## Temperature Converter

Enter the value of the temperature you would like to convert and select its unit. Then select the unit you want to convert to.

### How to Convert Celsius to Fahrenheit

- Take the temperature in Celsius and multiply 1.8
- Add 32 degrees
- The result is degrees Fahrenheit.

### How to Convert Fahrenheit to Celsius

- Take the temperature in Fahrenheit subtract 32
- Divide by 1.8
- The result is degrees Celsius

### How to Convert Celsius to Kelvin

**K = C + 273.15**

Where **K = Degrees in Kelvin** and **C = Degrees in Celcius**

The Celsius and Kelvin scales use the same size degrees, but Kelvin has a zero point at absolute zero, not the freezing *convert 45 f to c* of water. So Kelvin temperatures have values 273.15 degrees higher than the same temperature in Celsius.

Example : the boiling point of water is 100 °Cwhich is equal to 373.15 K

The Kelvin scale is based on the concept of Absolute Zero, the temperature at wich matter stops vibrating. This temperature is -273.15 °C.

### Common Temperature Conversions

### Convert Degree Celsius (°C) to…

- 1 degree Celsius (°C) = 33.8 degree Fahrenheit (°F)
- 1 degree Celsius (°C) = 274.15 Kelvin

### Convert Degree Fahrenheit (°F) to…

- 1 degree Fahrenheit (°C) = -17.222* degree Celsius (°C)
- 1 degree Fahrenheit (°C) = 255.928* Kelvin

### Convert Kelvin to…

- 0 Kelvin = -273.15 degree Celsius (°C)
- 0 Kelvin = -459.67 degree Fahrenheit (°F)

* Calculation to 3 decimal places

## How to Convert Fahrenheit to Celsius

Fahrenheit and Celsius are the scales most often used for reporting room, weather, and water temperatures. The Fahrenheit scale is used in the United States, while the Celsius scale is used worldwide.

Indeed, most countries around the world measure their weather and temperatures using the relatively simple Celsius scale. But the United States is one of just a few remaining countries that use Fahrenheit, so it's important for Americans to know how to convert one to the other, especially old homes for sale in san antonio traveling or doing scientific research.

### How to Convert *Convert 45 f to c*

First, you need the formula for converting Fahrenheit (F) to Celsius (C):

The i want to pay my metro phone bill online C represents the temperature in Celsius, and F is the temperature in Fahrenheit. After you know the formula, it is easy to convert Fahrenheit to Celsius with these three steps.

- Subtract 32 from the Fahrenheit temperature.
- Multiply this number by five.
- Divide the result by nine.

For example, suppose the temperature is 80 degrees Fahrenheit and you want to know what the figure would be in Celsius. Use the above three steps:

- 80 F – 32 = 48
- 5 x 48 = 240
- 240 / 9 = 26.7 C

So the temperature in Celsius is 26.7 C.

### Fahrenheit to Celsius Example

If you want to convert a normal human body temperature (98.6 F) to Celsius, plug the Fahrenheit temperature into the formula:

As noted, your starting temperature is 98.6 F. So you would have:

- C = 5/9 x (F - 32)
- C = 5/9 x (98.6 - 32)
- C = 5/9 x (66.6)
- C = 37 C

Check your answer to ensure it makes sense. At ordinary temperatures, a Celsius value is always lower than the corresponding Fahrenheit value. Also, it's helpful to keep in mind that the Celsius scale is based on the freezing and boiling points of water, where 0 C is the freezing point and 100 C is the boiling point. On the Fahrenheit scale, water freezes at 32 F and boils at 212 F.

### Conversion Shortcut

You often don't need an exact conversion. If you're traveling to Europe, for example, and you know the temperature is 74 F, you might want to know the approximate temperature in Celsius. The website Lifehacker offers this tip on making an approximate conversion:

**Fahrenheit to Celsius:** Subtract 30 from the Fahrenheit temperature and then divide by two. So, using the approximation formula:

- 74 F – 30 = 44
- 44 / 2 = 22 C

(If you go through the previous formula's calculations for the exact temperature, you arrive at 23.3.)

**Celsius to Fahrenheit: **To reverse the approximation and convert from 22 C to Fahrenheit, multiply by two and add 30. So:

- 22 C x 2 = 44
- 44 + 30 = 74 C

### Quick Conversion Table

You can save even more time by using predetermined conversions. The Old Farmer's Almanac offers this table for making quick conversions from Fahrenheit to Celsius.

Fahrenheit | Celsius |
---|---|

-40 F | -40 C |

-30 F | -34 C |

-20 F | -29 C |

-10 F | -23 C |

0 F | -18 C |

10 F | -12 C |

20 F | -7 C |

32 F | 0 C |

40 F | 4 C |

50 F | 10 C |

60 F | 16 C |

70 F | 21 C |

80 F | 27 C |

90 F | 32 C |

100 F | 38 C |

Note how the Fahrenheit and Celsius scales read the same temperature at -40.

### Invention of Fahrenheit

While you're mastering these conversions, it might be interesting to learn how the Fahrenheit temperature scale came into existence. The first mercury thermometer was invented by German scientist Daniel Fahrenheit in 1714. His scale divides the freezing and boiling points of water into 180 degrees, with 32 degrees as water's freezing point, and 212 as its boiling point.

On Fahrenheit's scale, zero degrees was determined as the temperature of a temperature-stable brine solution of ice, water, and ammonium chloride. He based the scale on the average temperature of the human body, which he originally calculated at 100 degrees. (As noted, it's since been adjusted to 98.6 degrees Fahrenheit.)

Fahrenheit was the standard unit of measure in most countries until the 1960s and 1970s when it was replaced with the Celsius scale in a widespread conversion to the more useful metric system. In addition to the United States and its territories, Fahrenheit is still used in the Bahamas, Belize, and the Cayman Islands for most temperature measurements.

With this program, the units of temperature (degrees Celsius, Kelvin and degrees Fahrenheit) can be converted.

Calculate the wind chill

**Definition of temperature:**

The tendency of a substance or an object to transfer heat to its surroundings.

Definition of the thermodynamic temperature:

The Kelvin, unit of thermodynamic temperature, is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water (13de CGPM (1967), Rés. 4)

Reference: http://www.nmi.nl/english/about_metrology/quantities_and_units/definition_of_the_basic_units.htm

Reference: http://physics.nist.gov/cuu/Units/current.html

In the 13th CGPM in 1967 was decided that the unit of temperature will be the Kelvin, and not 'degrees Kelvin'. The triple point of water is 273.16 K, which is 0.01 ^{o}C (degrees Celsius).

**Definition of Celsius:**

The Celsius-scale is defined by the follow two points:

- The triple point of water is defined as 0.01
^{o}C. - One degree Celsius equals the change of temperature with one degree on the ideal gas-scale.

The triple point is a theoretical point where the three phases of a matter (for example water) come together. This means that liquid, solid and gas phase from a matter appear at the same time. This is practically impossible.

**History of measuring temperature:**

The idea of measuring temperature exists a long time. One of the first who wanted to make a temperature scale was Galen (ca. 170). He had a scale of *convert 45 f to c* degrees warmth and 4 degrees of cold. The earlier measurement instruments for temperature where called thermo scopes. In 1610 Galileo introduced wine in the thermo scopes instead of air. In 1724 Gabriel Fahrenheit introduced the medium mercury in the thermo scopes. The reason that mercury was used is that the thermal expansion of mercury is large, mostly homogeneous and it does not stick on the glass. Mercury also stays in the liquid phase for a great range of temperature. It is also easy to read.

**Present temperature scales:**

Present temperature scales have two basic points: from when the water starts to freeze and when it starts to boil. Between these two temperatures a scale is made. The two most popular scales are the Celsius (made by Anders Celsius) and Fahrenheit (made by Gabriel Fahrenheit) scale. The Fahrenheit scale is defined so that the melting point of water lays by 32 degrees Fahrenheit and the boiling point lays by 212 degrees Fahrenheit. This means that between the freezing point and boiling point there are 180 divisions. Fahrenheit introduced his scale in 1724.

Another scale is the Celsius scale. In the Celsius scale the freezing point of water is set at 0 degrees (centigrade) and the *convert 45 f to c* point at 100 degrees (centigrade). This scale exists on 100 divisions, also known as centiscale. In 1948 the centidegrees (centigrade scale) were replaced by the degrees Celsius (^{o}C). The Celsius scale is defined by the following two points:

- The triple point of water is defined at 0.01
^{o}C. - One degree Celsius equals the change of temperature with one degree on the ideal gas-scale.

On the Celsius-scale the boiling point of water with a pressure of 1 atmosphere is set at 99.975 ^{o}C. With the centiscale it was 100.

**SI temperature scale:**

Temperature is related with the kinetic energy of the molecules. The kinetic energy changes when the temperature changes. Temperature is defined as the translation of heath between two objects. The fundamental temperature scale is the one of Kelvin. The temperature scale of Kelvin depends of the absolute zero point. This is the point where the molecules do not move anymore, so they do not give warmth. This is for all molecules. The absolute zero point is by 0 K, this is -273.15 ^{o}C. The scale is the same as the Celsius.

Lenntech BV is not responsible for programming or calculation errors on this sheet. Feel free to contact us for any feedback.

Suggested reading for the topic: Mercury

Home / Temperature Converters / Fahrenheit to Celsius Converter / Convert 45 Fahrenheit to Celsius

The online Fahrenheit to Celsius (f to c) Converter is used to convert temperature from Fahrenheit (â) to Celsius (â).

#### The Fahrenheit to Celsius Formula to convert 45 F to C

How to convert 45 Fahrenheit to Celsius? You can use cells at work platelets lewd following formula to convert Fahrenheit to Celsius:

X(â)

= ( Virginia bank and trust careers - 32 ) Ã5/9

To convert 45 Fahrenheit to Celsius:

X(â)

= ( 45(â) - 32 ) Ã5/9

Answer: 7.2222 â

#### Fahrenheit to Celsius conversion table

Degree Fahrenheit(â) | Degree Celsius(â) |
---|---|

0 â | -17.777778 â |

10 â | -12.222222 â |

20 â | -6.666667 â |

30 â | -1.111111 â |

32 â | 0 â |

40 â | 4.444444 â |

50 â | 10 â |

60 â | 15.555556 â |

70 â | 21.111111 â |

80 â | 26.666667 â |

90 â | 32.222222 â |

94 â | 34.444444 â |

95 â | 35 â |

96 â | 35.555556 â |

97 â | 36.111111 â |

98 google play store gift card codes india â | |

99 â | 37.222222 â |

100 â | 37.777778 â |

101 â | 38.333333 â |

102 â | 38.888889 â |

120 â | 48.888889 â |

130 â | 54.444444 â |

140 â | 60 â |

150 â | 65.555556 â |

160 â | 71.111111 â |

170 â | 76.666667 â |

180 â | 82.222222 â |

190 â | 87.777778 â |

200 â | 93.333333 â |

#### Frequently asked questions to convert F to C

How to convert 111 fahrenheit to celsius ?

*Answer: 43.888889 â*

How to convert 33 fahrenheit to celsius ?

*Answer: 0.555556 â*

How to convert 7 fahrenheit to celsius ?

*Answer: -13.888889 â*

How to convert 90 fahrenheit to celsius ?

*Answer: 32.222222 â*

How to convert 37 fahrenheit to celsius ?

*Answer: 2.777778 â*

How to convert 12 fahrenheit to celsius ?

*Answer: -11.111111 â*

To convert from Fahrenheit to degree Celsius instantly, please use our Fahrenheit to Celsius Converterfor free.

#### References

More references for

*Fahrenheit*and

*Celsius*

#### Best conversion unit for 45 â

The best conversion unit defined in our website is to convert a number as the unit that is the lowest without going lower than 1. For 45 â, the best unit to convert to is 45 â.

## Convert celsius to fahrenheit

**How many degrees Fahrenheit is 1 Celsius?**1 Celsius is equal to 33,8 Fahrenheit.

**convert 45 f to c**ahead and convert your own value of

**°C to °F**in the converter below.

If you wish you can reverse the conversion **convert 45 f to c** using the converter for fahrenheit to celsius

For other conversions in temperature, use the temperature conversion tool.

### Facts about celsius (c)

Celsius is, or relates to, the Celsius temperature scale (previously known as the centigrade scale). The degree Celsius (symbol: °C) can refer to a specific temperature on the Celsius scale as well as serve as unit increment to indicate a temperature interval (a difference between two temperatures or an uncertainty). “Celsius” is named after the Swedish astronomer Anders Celsius (1701 – 1744), who developed a similar temperature scale two years before his death. See all conversions for Celsius here.

### Facts about fahrenheit (f)

Fahrenheit is a temperature scale named after the Polish–German physicist Daniel Gabriel Fahrenheit (1686–1736), who proposed it in 1724. In this scale, the freezing point of water is 32 degrees Fahrenheit **convert 45 f to c** "32 °F"), and the boiling point is 212 degrees, placing the boiling and freezing points of water exactly 180 degrees apart. On the Convert 45 f to c scale, the freezing and boiling points of water are exactly 100 degrees apart, thus the unit of this scale, a degree Fahrenheit, is ^{5}⁄9 of a degree Celsius. Negative 40 degrees Fahrenheit (-40 °F) is equal to negative 40 degrees Celsius (-40 °C). See all conversions for Fahrenheit here.

### General information about °C to °F

### Other conversion pairs in temperature

### Convert 45 f to c -

With this program, the units of temperature (degrees Celsius, Kelvin and degrees Fahrenheit) can be converted.

Calculate the wind chill

**Definition of temperature:**

The tendency of a substance or an object to transfer heat to its surroundings.

Definition of the thermodynamic temperature:

The Kelvin, unit of thermodynamic temperature, is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water (13de CGPM (1967), Rés. 4)

Reference: http://www.nmi.nl/english/about_metrology/quantities_and_units/definition_of_the_basic_units.htm

Reference: http://physics.nist.gov/cuu/Units/current.html

In the 13th CGPM in 1967 was decided that the unit of temperature will be the Kelvin, and not 'degrees Kelvin'. The triple point of water is 273.16 K, which is 0.01 ^{o}C (degrees Celsius).

**Definition of Celsius:**

The Celsius-scale is defined by the follow two points:

- The triple point of water is defined as 0.01
^{o}C. - One degree Celsius equals the change of temperature with one degree on the ideal gas-scale.

The triple point is a theoretical point where the three phases of a matter (for example water) come together. This means that liquid, solid and gas phase from a matter appear at the same time. This is practically impossible.

**History of measuring temperature:**

The idea of measuring temperature exists a long time. One of the first who wanted to make a temperature scale was Galen (ca. 170). He had a scale of 4 degrees warmth and 4 degrees of cold. The earlier measurement instruments for temperature where called thermo scopes. In 1610 Galileo introduced wine in the thermo scopes instead of air. In 1724 Gabriel Fahrenheit introduced the medium mercury in the thermo scopes. The reason that mercury was used is that the thermal expansion of mercury is large, mostly homogeneous and it does not stick on the glass. Mercury also stays in the liquid phase for a great range of temperature. It is also easy to read.

**Present temperature scales:**

Present temperature scales have two basic points: from when the water starts to freeze and when it starts to boil. Between these two temperatures a scale is made. The two most popular scales are the Celsius (made by Anders Celsius) and Fahrenheit (made by Gabriel Fahrenheit) scale. The Fahrenheit scale is defined so that the melting point of water lays by 32 degrees Fahrenheit and the boiling point lays by 212 degrees Fahrenheit. This means that between the freezing point and boiling point there are 180 divisions. Fahrenheit introduced his scale in 1724.

Another scale is the Celsius scale. In the Celsius scale the freezing point of water is set at 0 degrees (centigrade) and the boiling point at 100 degrees (centigrade). This scale exists on 100 divisions, also known as centiscale. In 1948 the centidegrees (centigrade scale) were replaced by the degrees Celsius (^{o}C). The Celsius scale is defined by the following two points:

- The triple point of water is defined at 0.01
^{o}C. - One degree Celsius equals the change of temperature with one degree on the ideal gas-scale.

On the Celsius-scale the boiling point of water with a pressure of 1 atmosphere is set at 99.975 ^{o}C. With the centiscale it was 100.

**SI temperature scale:**

Temperature is related with the kinetic energy of the molecules. The kinetic energy changes when the temperature changes. Temperature is defined as the translation of heath between two objects. The fundamental temperature scale is the one of Kelvin. The temperature scale of Kelvin depends of the absolute zero point. This is the point where the molecules do not move anymore, so they do not give warmth. This is for all molecules. The absolute zero point is by 0 K, this is -273.15 ^{o}C. The scale is the same as the Celsius.

Lenntech BV is not responsible for programming or calculation errors on this sheet. Feel free to contact us for any feedback.

Suggested reading for the topic: Mercury

## Kwgt temperature celsius

#### Kwgt temperature celsius

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Jan 28, 2020 · For most people, AccuWeather, The Weather Channel, and Weather Underground are helpful. 6 o F There is a mental math method to convert from Celsius to Fahrenheit. Below is the formula to convert a Celsius scale temperature into degrees on the Fahrenheit scale. دانلود نرم افزار Weather App Pro 1. Humid and mostly cloudy throughout the day. KLWP also launch by the same developer. Temperature. Monitors your system. Pressure. At Items tab, click the first item (Date & weather (no event)). Temperature feels like 7° 45°. Timely is one of the popular clocks for Android device ever. (94 °C for 5 min), followed by 39 cycles at 94 °C for 1min, 42 °C for 1 min and 72 °C for 1 min 30 sec, terminating with a final extension at 72 °C for 10 min. 5 degrees C. Thursday 22:00 EDT. Change the temp wherever you are with the Google Home app. Southwest wind 5 to 10 mph becoming northwest after midnight. Change the colors, fonts, background and more. Updated 11/15 @ 10:00 PM ET. 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## Convert 45 Celsius to Fahrenheit

What is 45 degrees Celsius in Fahrenheit? Just type in either box, and the number in the other box will be converted automatically.

How hot is 45 degrees Celsius? How cold? Convert between Fahrenheit and Celsius.

More temperatures starting with 45 degrees in Celsius

Note: results are rounded

45.00 °C = 113.00 °F | 45.30 °C = 113.54 °F | 45.60 °C = 114.08 °F | 45.90 °C = 114.62 °F |

45.01 °C = 113.02 °F | 45.31 °C = 113.56 °F | 45.61 °C = 114.10 °F | 45.91 °C = 114.64 °F |

45.02 °C = 113.04 °F | 45.32 °C = 113.58 °F | 45.62 °C = 114.12 °F | 45.92 °C = 114.66 °F |

45.03 °C = 113.05 °F | 45.33 °C = 113.59 °F | 45.63 °C = 114.13 °F | 45.93 °C = 114.67 °F |

45.04 °C = 113.07 °F | 45.34 °C = 113.61 °F | 45.64 °C = 114.15 °F | 45.94 °C = 114.69 °F |

45.05 °C = 113.09 °F | 45.35 °C = 113.63 °F | 45.65 °C = 114.17 °F | 45.95 °C = 114.71 °F |

45.06 °C = 113.11 °F | 45.36 °C = 113.65 °F | 45.66 °C = 114.19 °F | 45.96 °C = 114.73 °F |

45.07 °C = 113.13 °F | 45.37 °C = 113.67 °F | 45.67 °C = 114.21 °F | 45.97 °C = 114.75 °F |

45.08 °C = 113.14 °F | 45.38 °C = 113.68 °F | 45.68 °C = 114.22 °F | 45.98 °C = 114.76 °F |

45.09 °C = 113.16 °F | 45.39 °C = 113.70 °F | 45.69 °C = 114.24 °F | 45.99 °C = 114.78 °F |

45.10 °C = 113.18 °F | 45.40 °C = 113.72 °F | 45.70 °C = 114.26 °F | 145 °C = 293 °F |

45.11 °C = 113.20 °F | 45.41 °C = 113.74 °F | 45.71 °C = 114.28 °F | 245 °C = 473 °F |

45.12 °C = 113.22 °F | 45.42 °C = 113.76 °F | 45.72 °C = 114.30 °F | 345 °C = 653 °F |

45.13 °C = 113.23 °F | 45.43 °C = 113.77 °F | 45.73 °C = 114.31 °F | 445 °C = 833 °F |

45.14 °C = 113.25 °F | 45.44 °C = 113.79 °F | 45.74 °C = 114.33 °F | 545 °C = 1,013 °F |

45.15 °C = 113.27 °F | 45.45 °C = 113.81 °F | 45.75 °C = 114.35 °F | 645 °C = 1,193 °F |

45.16 °C = 113.29 °F | 45.46 °C = 113.83 °F | 45.76 °C = 114.37 °F | 745 °C = 1,373 °F |

45.17 °C = 113.31 °F | 45.47 °C = 113.85 °F | 45.77 °C = 114.39 °F | 845 °C = 1,553 °F |

45.18 °C = 113.32 °F | 45.48 °C = 113.86 °F | 45.78 °C = 114.40 °F | 945 °C = 1,733 °F |

45.19 °C = 113.34 °F | 45.49 °C = 113.88 °F | 45.79 °C = 114.42 °F | 1,045 °C = 1,913 °F |

45.20 °C = 113.36 °F | 45.50 °C = 113.90 °F | 45.80 °C = 114.44 °F | 1,145 °C = 2,093 °F |

45.21 °C = 113.38 °F | 45.51 °C = 113.92 °F | 45.81 °C = 114.46 °F | 1,245 °C = 2,273 °F |

45.22 °C = 113.40 °F | 45.52 °C = 113.94 °F | 45.82 °C = 114.48 °F | 1,345 °C = 2,453 °F |

45.23 °C = 113.41 °F | 45.53 °C = 113.95 °F | 45.83 °C = 114.49 °F | 1,445 °C = 2,633 °F |

45.24 °C = 113.43 °F | 45.54 °C = 113.97 °F | 45.84 °C = 114.51 °F | 1,545 °C = 2,813 °F |

45.25 °C = 113.45 °F | 45.55 °C = 113.99 °F | 45.85 °C = 114.53 °F | 1,645 °C = 2,993 °F |

45.26 °C = 113.47 °F | 45.56 °C = 114.01 °F | 45.86 °C = 114.55 °F | 1,745 °C = 3,173 °F |

45.27 °C = 113.49 °F | 45.57 °C = 114.03 °F | 45.87 °C = 114.57 °F | 1,845 °C = 3,353 °F |

45.28 °C = 113.50 °F | 45.58 °C = 114.04 °F | 45.88 °C = 114.58 °F | 1,945 °C = 3,533 °F |

45.29 °C = 113.52 °F | 45.59 °C = 114.06 °F | 45.89 °C = 114.60 °F | 2,045 °C = 3,713 °F |

## How to Convert Fahrenheit to Celsius

Fahrenheit and Celsius are the scales most often used for reporting room, weather, and water temperatures. The Fahrenheit scale is used in the United States, while the Celsius scale is used worldwide.

Indeed, most countries around the world measure their weather and temperatures using the relatively simple Celsius scale. But the United States is one of just a few remaining countries that use Fahrenheit, so it's important for Americans to know how to convert one to the other, especially when traveling or doing scientific research.

### How to Convert Temperatures

First, you need the formula for converting Fahrenheit (F) to Celsius (C):

The notation C represents the temperature in Celsius, and F is the temperature in Fahrenheit. After you know the formula, it is easy to convert Fahrenheit to Celsius with these three steps.

- Subtract 32 from the Fahrenheit temperature.
- Multiply this number by five.
- Divide the result by nine.

For example, suppose the temperature is 80 degrees Fahrenheit and you want to know what the figure would be in Celsius. Use the above three steps:

- 80 F – 32 = 48
- 5 x 48 = 240
- 240 / 9 = 26.7 C

So the temperature in Celsius is 26.7 C.

### Fahrenheit to Celsius Example

If you want to convert a normal human body temperature (98.6 F) to Celsius, plug the Fahrenheit temperature into the formula:

As noted, your starting temperature is 98.6 F. So you would have:

- C = 5/9 x (F - 32)
- C = 5/9 x (98.6 - 32)
- C = 5/9 x (66.6)
- C = 37 C

Check your answer to ensure it makes sense. At ordinary temperatures, a Celsius value is always lower than the corresponding Fahrenheit value. Also, it's helpful to keep in mind that the Celsius scale is based on the freezing and boiling points of water, where 0 C is the freezing point and 100 C is the boiling point. On the Fahrenheit scale, water freezes at 32 F and boils at 212 F.

### Conversion Shortcut

You often don't need an exact conversion. If you're traveling to Europe, for example, and you know the temperature is 74 F, you might want to know the approximate temperature in Celsius. The website Lifehacker offers this tip on making an approximate conversion:

**Fahrenheit to Celsius:** Subtract 30 from the Fahrenheit temperature and then divide by two. So, using the approximation formula:

- 74 F – 30 = 44
- 44 / 2 = 22 C

(If you go through the previous formula's calculations for the exact temperature, you arrive at 23.3.)

**Celsius to Fahrenheit: **To reverse the approximation and convert from 22 C to Fahrenheit, multiply by two and add 30. So:

- 22 C x 2 = 44
- 44 + 30 = 74 C

### Quick Conversion Table

You can save even more time by using predetermined conversions. The Old Farmer's Almanac offers this table for making quick conversions from Fahrenheit to Celsius.

Fahrenheit | Celsius |
---|---|

-40 F | -40 C |

-30 F | -34 C |

-20 F | -29 C |

-10 F | -23 C |

0 F | -18 C |

10 F | -12 C |

20 F | -7 C |

32 F | 0 C |

40 F | 4 C |

50 F | 10 C |

60 F | 16 C |

70 F | 21 C |

80 F | 27 C |

90 F | 32 C |

100 F | 38 C |

Note how the Fahrenheit and Celsius scales read the same temperature at -40.

### Invention of Fahrenheit

While you're mastering these conversions, it might be interesting to learn how the Fahrenheit temperature scale came into existence. The first mercury thermometer was invented by German scientist Daniel Fahrenheit in 1714. His scale divides the freezing and boiling points of water into 180 degrees, with 32 degrees as water's freezing point, and 212 as its boiling point.

On Fahrenheit's scale, zero degrees was determined as the temperature of a temperature-stable brine solution of ice, water, and ammonium chloride. He based the scale on the average temperature of the human body, which he originally calculated at 100 degrees. (As noted, it's since been adjusted to 98.6 degrees Fahrenheit.)

Fahrenheit was the standard unit of measure in most countries until the 1960s and 1970s when it was replaced with the Celsius scale in a widespread conversion to the more useful metric system. In addition to the United States and its territories, Fahrenheit is still used in the Bahamas, Belize, and the Cayman Islands for most temperature measurements.

## How do you convert Celsius to Fahrenheit and what are the hottest temperatures recorded in the UK?

THERE are two ways to measure temperature, Celsius and Fahrenheit.

The one officially used and recognised in the UK is Celsius but many other places around the world use the Fahrenheit scale. Here's how you can figure out the temp no matter the format.

### Why is there degrees Celsius and Fahrenheit?

Degrees Celsius is the most common format of temperature in the UK.

It comes from the metric system of measurement, whereas Fahrenheit is taken from the Imperial system.

The UK began the switch to the Metric system from the Imperial system in the 60s.

The Metric system started being taught in schools in 1974, meaning that most people are more familiar with Celsius than Fahrenheit.

### How do you convert Celsius to Fahrenheit?

If the temperature is 0 degrees Celsius then it will be 32 degrees Fahrenheit.

In order to convert a temperature from Celsius to Fahrenheit, multiply the °C temperature by 1.8 and add 32 to the number.

This is the answer in °F.

### How do you convert Fahrenheit to Celsius?

In order to convert degrees Fahrenheit into Celsius, first, take the °F temperature and subtract 32.

Multiply the number you are left with by five, then divide the number by nine.

This is the answer in °C.

### What was the hottest temperature ever recorded in the UK?

The hottest temperature in the UK was recorded in Gravesend, Kent on Sunday, August 10, 2003.

The temperature hit 38°C (100.6°F), topping the last record taken earlier that same day in Heathrow, where the temperature soared to 37.9°C (100.2°F).

Before that record-breaking day, the hottest temperature ever recorded in UK history was in Cheltenham in 1990; the mercury hit 37.1°C (98.8°F).

A more recent record came on June 21, 2017, when Britain had it's hottest June day for 40 years.

The temperature was recorded at Heathrow, where the thermometer hit a scorching 34.5°C (94.1°F).

That Wednesday came close to the highest June temp ever recorded - 35.6°C (96.08°F) recorded in Southampton in June 1976.

Topics

## What's the Easiest Way to Convert Fahrenheit to Celsius?

What's the difference between Celsius and Fahrenheit? It's really a quirk of history and a simple mathematical conversion. Learn the easiest way to convert Fahrenheit to Celsius as well as the reverse calculation with simple equations and a chart.

### Converting Fahrenheit to Celsius

Some would consider a quick estimate the easiest way to convert a Fahrenheit temperature to a Celsius temperature. Others want a more precise answer quickly. Here, you can learn both methods.

### Fahrenheit to Celsius Estimate Formula

Use this formula to get a good estimate of the Celsius temperature when converting from Fahrenheit. In this case */ *means divided by or to use division.

(Fahrenheit temp. [F]-30)/2 = Celsius temp.

In other words, if you’d like to convert a Fahrenheit temperature to an approximate Celsius temperature:

- Start with the temperature in Fahrenheit (e.g., 100 degrees).
- Subtract 30 from this figure (e.g., 100 - 30 = 70).
- Divide your answer by 2 (e.g., 70 / 2 = 35).

### Fahrenheit to Celsius Exact Formula

If you want a more precise calculation, you can use the more exact formula. Using this calculation, we determine that 100 degrees Fahrenheit is equivalent to 37.78 degrees Celsius.

(F - 32) / 1.8 = C

In other words, if you'd like to convert a temperature reading in Fahrenheit to Celsius:

- Start with the temperature in Fahrenheit (e.g., 100 degrees).
- Subtract 32 from this figure (e.g., 100 - 32 = 68).
- Divide your answer by 1.8 (e.g., 68 / 1.8 = 37.78)

### Converting Celsius to Fahrenheit

To convert Celsius to Fahrenheit, simply reverse the equation. In this case * means times, or to use multiplication.

(C * 1.8) + 32 = F

You can use this equation to show that 100 degrees Celsius is equal to 212 degrees Fahrenheit.

- Start with the temperature in Celsius (e.g., 100 degrees).
- Multiply this figure by 1.8 (e.g., 100 * 1.8 = 180).
- Add 32 to this figure (e.g., 180 + 32 = 212).

### Fahrenheit to Celsius Conversion Chart

If you really want an easy way to convert temperatures, you can use this Fahrenheit to Celsius conversion chart where the math has already been done for you.

View & Download PDF

### What's the Difference Between Fahrenheit and Celsius?

If you're from the United States, you're probably accustomed to describing temperature by Fahrenheit. A very hot summer day is 100 degrees, a pleasant spring morning is 50 degrees, and 0 degrees is ungodly cold. If you're from almost anywhere else, you likely favor Celsius, where 0 degrees is only pretty cold, 50 degrees is unspeakably hot, and 100 degrees happens on a stove, not outside.

### Are Fahrenheit and Celsius Readings Ever the Same?

If you were wondering if there is a temperature where Fahrenheit and Celsius are the same, it's at 40 below zero, also known as -40 or negative 40. At all other temperatures, the difference is history.

### History of Fahrenheit and Celsius Scales

Globally, the standard scale for everyday use is Celsius. Only the United States, islands freely associated with the US (Palau, the Marshall Islands and Micronesia), the Bahamas, the Caymans, and Liberia use Fahrenheit as their primary temperature measurement. Everybody else goes with Celsius.

### History of the Fahrenheit Scale

The Fahrenheit scale was created by Daniel Gabriel Fahrenheit in 1724. Fahrenheit invented his scale for use with mercury thermometers, which he also invented. The Fahrenheit scale is a bit older than the Celsius scale.

### History of the Celsius Scale

The Celsius scale was created by Anders Celsius in 1745, a couple decades after Fahrenheit. Curiously, Celsius created the reverse of the modern scale, treating 0 as the boiling point of water and 100 as the freezing point of water. Other scientists, notably Carl Linnaeus, flipped it later that year, making 0 the freezing point and 100 the boiling point of water.

Since it was originally built as a scale between 0 and 100, Celsius is also called centigrade. The word "centigrade" literally describes something that consists of or is divided into 100 degrees. That said, Celsius has been the preferred nomenclature since 1948.

### The Kelvin Temperature Unit

You may have heard of temperature being measured according to kelvin. Indeed, if you're involved in the sciences, you probably use kelvin. Kelvin is a bit different than Fahrenheit and Celsius. Celsius and Fahrenheit are both temperature scales, measuring temperatures in degrees.

### History of the Kelvin Unit

Named after Lord Kelvin, a kelvin is a standard scientific unit, like a kilogram for weight or a meter for distance. The proper way to use the word, then, is not "100 degrees Kelvin" but "100 kelvin." (Note the lower case "k" in kelvin.)

1 kelvin equals 1/273.16th of the triple point of water: that is, the point at which liquid water, water vapor and solid ice can coexist. In other words, 273.16 kelvin is the exact triple point of water.

### The Importance of Kelvin

The importance of kelvin is that it measures absolute temperature: absolute zero is 0 kelvin, the temperature at which all atomic motion (which creates heat) stops. There is no thermal energy whatsoever at absolute zero.

### Kelvin Conversion Formulas

Kelvin is primarily of value to scientists, since it simplifies calculation at extreme temperatures. For your convenience, the conversion equations follow.

- To convert:
**Celsius to kelvin**: C + 273.15 = K. To convert

**Fahrenheit to kelvin**: [(F - 32) / 1.8] + 273.15 = K

You convert Celsius to Kelvin by simply adding 273.15. If the outside temperature is 10 degrees Celsius, then it is 283.15 kelvin. That's easy enough.

Fahrenheit is a bit trickier. Take your degrees Fahrenheit, subtract 32, divide by 1.8, and finally add 273.15. Here's a quick example:

- Say it is 100 degrees Fahrenheit outside.
- Subtract 32 from 100 to get 68.
- Divide 68 by 1.8 to get 37.78.
- Add 273.15 to get 310.93. Thus, 100 degrees Fahrenheit is equal to 310.93 kelvin.

### Taking Temperatures

Temperature is important! Measuring heat accurately matters in every field of human endeavor, from engineering to medicine. For more on how to manage your temperature, take a look at this automatic Celsius to Fahrenheit converter. It'll make short work of all your temperature conversions.

### Michele Meleen

Staff Editor

## Conversion of Temperature

### Quick Celsius (**°C**) / Fahrenheit (**°F**) Conversion:

measure/images/thermometer.js?mode=boxes

Type a value in either box

Or use the slider

Or the Interactive Thermometer

Or this method:

°C to °F | Divide by 5, then multiply by 9, then add 32 |

°F to °C | Deduct 32, then multiply by 5, then divide by 9 |

(Explanation Below ...)

### Typical Temperatures

(only **bold** are exactly the same)

°C | °F | Description | |
---|---|---|---|

220 | 430 | Hot Oven | |

180 | 360 | Moderate Oven | |

100 | 212 | Water boils | |

40 | 104 | Hot Bath | |

37 | 98.6 | Body temperature | |

30 | 86 | Beach weather | |

21 | 70 | Room temperature | |

10 | 50 | Cool Day | |

0 | 32 | Freezing point of water | |

−18 | 0 | Very Cold Day | |

−40 | −40 | Extremely Cold Day (and the same number!) |

*16 is about 61 28 is about 82*

### Explanation

There are two main temperature scales:

**°C**, the**Celsius Scale**(part of the Metric System, used in most countries)**°F**, the**Fahrenheit Scale**(used in the US)

They both measure the same thing (temperature!), but use different numbers:

- Boiling water (at normal pressure) measures
**100° in Celsius, but 212° in Fahrenheit** - And as water freezes it measures
**0° in Celsius, but 32° in Fahrenheit**

Like this:

Looking at the diagram, notice:

- The scales start at a different number (0 vs 32), so we will need to add or subtract 32
- The scales rise at a different rate (100 vs 180), so we will also need to multiply

And so, to convert:

from Celsius to Fahrenheit: first multiply by *180***100**, then add 32

from Fahrenheit to Celsius: first subtract 32, then multiply by *100***180**

*180***100** can be simplified to ** 95**,

and

*100*

**180**can be simplified to

**, so we get this:**

*5***9****°C to °F:** Divide by 5, then multiply by 9, then add 32

**°F to °C:** Subtract 32, then multiply by 5, then divide by 9

### Example: Convert 25° Celsius *(a nice warm day)* to Fahrenheit

*First:* 25° / 5 = 5*Then:* 5 × 9 = 45*Then:* 45 + 32 = **77° F**

### Example: Convert 98.6° Fahrenheit *(normal body temperature)* to Celsius

*First:* 98.6° − 32 = 66.6*Then:* 66.6 × 5 = 333*Then:* 333 / 9 = ** 37° C**

We can swap the order of divide and multiply if we want, but don't change the add or subtract. So this is also OK:

### Example: Convert 98.6° Fahrenheit to Celsius (again)

*First:* 98.6° − 32 = 66.6*Then:* 66.6 / 9 = 7.4*Then:* 7.4 × 5 = ** 37° C**

(Same answer as before, was it easier or harder this way?)

Celsius to Fahrenheit: (°C × *9***5**) + 32 = °F

Fahrenheit to Celsius: (°F − 32) × *5***9** = °C

### Other Methods That Work

### Use 1.8 instead of 9/5

9/5 is equal to 1.8, so we can also use this method:

Celsius to Fahrenheit: °C × 1.8 + 32 = °F

Fahrenheit to Celsius: (°F − 32) / 1.8 = °C

To make "×1.8" easier we can **multiply by 2 and subtract 10%**, but it only works for °C to °F:

Celsius to Fahrenheit: (°C × 2) less 10% + 32 = °F

### Example: Convert 20° Celsius *(A nice day)* to Fahrenheit

**20**x2 = 40- less 10% is 40−4 = 36
- 36+32 =
**68° F**

### Add 40, Multiply, Subtract 40

Since both scales cross at **−40°** (−40° C equals −40° F) we can:

- add 40,
- multiply by 5/9 (for °F to °C), or 9/5 (for °C to °F)
- subtract 40

Like this:

Celsius to Fahrenheit: Add 40, multiply by 9/5, then subtract 40

Fahrenheit to Celsius: Add 40, multiply by 5/9, then subtract 40

### Example: Convert 10° Celsius *(A cool day)* to Fahrenheit

**10**+40 = 50- 50×9/5 = 90
- 90−40 =
**50° F**

To remember 9/5 for °C to °F think *"F is greater than C, so there are more °F than °C"*

### Quick, but **Not Accurate**

Celsius to Fahrenheit: Double, then add 30

Fahrenheit to Celsius: Subtract 30, then halve

Examples °C → °F:

**0° C**→ 0+30 →**30° F**(low by 2°)**10° C**→ 20+30 →**50° F**(exact!)**30° C**→ 60+30 →**90° F**(high by 4°)**180° C**→ 360+30 →**390° F**(high by 34°, not good)

Examples °F → °C:

**40° F**→ 10/2 →**5° C**(almost right)**80° F**→ 50/2 →**25° C**(low by about 2°)**120° F**→ 90/2 →**45° C**(low by about 4°)**450° F**→ 420/2 →**210° C**(low by about 22°, not good)

Footnote: **Temperature **is a measure of how fast an object's particles are moving.

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