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As inhabitants of a world populated by various temperature scales, it is crucial to have a comprehensive understanding of how to convert between different units of temperature. The three most commonly used scales are Fahrenheit, Celsius, and Kelvin. Each scale has its own unique range and application, making it essential to be able to convert temperatures accurately and efficiently. In this guide, we will explore the principles and formulas necessary for converting temperatures between Fahrenheit, Celsius, and Kelvin, enabling you to navigate through these scales effortlessly. Whether you are studying science, traveling to different countries, or simply trying to understand the weather forecast, mastering temperature conversions will undoubtedly prove invaluable. So let us embark on this journey, unravel the mysteries behind these scales, and equip ourselves with the skills to seamlessly convert between Fahrenheit, Celsius, and Kelvin.
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This article has been viewed 68,687 times.
You can convert degrees Fahrenheit (degrees Fahrenheit) to degrees Celsius (degrees Celsius) or vice versa by performing basic addition, subtraction, multiplication, and division operations. When you encounter a temperature with the wrong unit, you can easily convert units in a snap!
Steps
Convert degrees Fahrenheit to degrees Celsius
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 1](https://www.wikihow.com/images/thumb/a/a3/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-1.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-1.jpg)
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 2](https://www.wikihow.com/images/thumb/f/f5/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-2.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-2.jpg)
- For example, if you need to convert 74°F, you just need to subtract 74 from 32. So, 74-32 = 42. [3] XResearch Source
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 3](https://www.wikihow.com/images/thumb/0/0a/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-3.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-3.jpg)
- For the example in step one, divide the result 42 by 1.8, and your calculation is 42/1.8 = 23°C. Thus, 74°F is converted to 23°C.
- Note: 1.8 is equivalent to 9/5. If you don’t have a calculator or prefer to do math with fractions, you can divide the result in the first step by 9/5 instead of 1.8.
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 4](https://www.wikihow.com/images/thumb/5/5e/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-4.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-4.jpg)
Fahrenheit | ºCelsius (approx.) |
---|---|
-40 | -40 |
0 | -18 |
32 | 0 |
60 | 16 |
100 | 38 |
150 | 66 |
212 | 100 |
Convert Celsius to Fahrenheit
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 5](https://www.wikihow.com/images/thumb/a/ac/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-5.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-5.jpg)
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 6](https://www.wikihow.com/images/thumb/0/03/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-6.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-6.jpg)
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 7](https://www.wikihow.com/images/thumb/4/40/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-7.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-7.jpg)
- Add 32 by 54 in the result in step 3. You should get 54 + 32 = 86°F. Thus, 30°C is equivalent to 86°F.
ºCelsius | Fahrenheit |
---|---|
-40 | -40 |
0 | 32 |
15 | 59 |
30 | eighty six |
60 | 140 |
100 | 212 |
200 | 392 |
ºCelsius | Fahrenheit | ºCelsius | Fahrenheit |
---|---|---|---|
-50 | -58 | 0 | 32 |
-45 | -49 | 5 | 41 |
-40 | -40 | ten | 50 |
-35 | -thirty first | 15 | 59 |
-30 | -22 | 20 | 68 |
-25 | -13 | 25 | 77 |
-20 | -4 | 30 | eighty six |
-15 | 5 | 35 | 95 |
-ten | 14 | 40 | 104 |
-5 | 23 | 45 | 113 |
50 | 122 |
ºCelsius | Fahrenheit | ºCelsius | Fahrenheit |
---|---|---|---|
-first | 30.2 | ten | 50 |
0 | 32 | 11 | 51.8 |
first | 33.8 | twelfth | 53.6 |
2 | 35.6 | 13 | 55.4 |
3 | 37.4 | 14 | 57.2 |
4 | 39.2 | 15 | 59 |
5 | 41 | 16 | 60.8 |
6 | 42.8 | 17 | 62.6 |
7 | 44.6 | 18 | 64.4 |
8 | 46.4 | 19 | 66.2 |
9 | 48.2 | 20 | 68 |
![Image titled Convert Between Fahrenheit, Celsius, and Kelvin Step 8](https://www.wikihow.com/images/thumb/e/e7/Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-8.jpg/v4-728px-Convert-Between-Fahrenheit%2C-Celsius%2C-and-Kelvin-Step-8.jpg)
ºCelsius | ºFahrenheit (rounded) |
---|---|
5 | 41 = 41+0 = 41-0 |
6 | 43 = 41+2 = 50-7 |
7 | 45 = 41+4 = 50-5 |
8 | 46 = 41+5 = 50-4 |
9 | 48 = 41+7 = 50-2 |
ten | 50 = 50+0 = 50-0 |
11 | 52 = 50+2 = 59-7 |
twelfth | 54 = 50+4 = 59-5 |
13 | 55 = 50+5 = 59-4 |
14 | 57 = 50+7 = 59-2 |
15 | 59 = 59+0 = 59-0 |
Convert Celsius to Kelvin (degrees K)
![Image titled 9918 13](https://www.wikihow.com/images/thumb/3/39/9918-13.jpg/v4-728px-9918-13.jpg)
- You may find it strange to know that the freezing point of water on the Kelvin scale is 273.15 – a huge number, that’s because the Kelvin scale is calculated based on the absolute zero of 0K.
![Image titled 9918 14](https://www.wikihow.com/images/thumb/6/69/9918-14.jpg/v4-728px-9918-14.jpg)
- For example, if you want to convert 30°C, you just add 273.15 to that number. Your calculation will be 30 + 273.15 = 303.15K.
![Image titled 9918 15](https://www.wikihow.com/images/thumb/2/26/9918-15.jpg/v4-728px-9918-15.jpg)
- If the value to be converted is an integer, the result in the Kelvin scale is always in decimal 0.15.
- The lowest possible temperature is -273.15ºC = 0ºK. If the result after being converted to the Kelvin scale is negative, you may have made a mistake or the calculation has an invalid value.
ºCelsius kelvins -100 173.15 -50 223.15 0 273.15 50 323.15 100 373.15 200 473.15 500 773.15
Convert Kelvin to Celsius
![Image titled 9918 16](https://www.wikihow.com/images/thumb/3/35/9918-16.jpg/v4-728px-9918-16.jpg)
![Image titled 9918 17](https://www.wikihow.com/images/thumb/1/11/9918-17.jpg/v4-728px-9918-17.jpg)
![Image titled 9918 18](https://www.wikihow.com/images/thumb/7/70/9918-18.jpg/v4-728px-9918-18.jpg)
- If the degrees Kelvin to be converted is an integer, the result you get after converting to degrees Celsius is usually in decimal 0.15 (if degrees Celsius is negative) or 0.85 (if degrees Celsius is positive) .
- Note, degrees K and degrees C do not differ much when you convert large values. When you convert a value of 6 or more digits, the difference is usually very small.
kelvins ºCelsius 0 -273.15 5 -268.15 50 -223.15 200 -73.15 500 226.85 1,000 726.85 100,000 yen 99,700 . approx 10 million almost 10 million
Convert Kelvin to Fahrenheit
![Image titled 9918 19](https://www.wikihow.com/images/thumb/7/70/9918-19.jpg/v4-728px-9918-19.jpg)
![Image title 9918 20](https://www.wikihow.com/images/thumb/8/85/9918-20.jpg/v4-728px-9918-20.jpg)
- For example, if you need a 295K temperature conversion, multiply that by 1.8. Thus, your calculation will be 295 x 1.8 = 531.
![Image titled 9918 21](https://www.wikihow.com/images/thumb/e/ef/9918-21.jpg/v4-728px-9918-21.jpg)
- You just need to subtract 531,531 from 459.7 to get the calculation 531 – 459.7 = 71.3°F. So 295K = 71.3°F.
![Image titled 9918 22](https://www.wikihow.com/images/thumb/e/ea/9918-22.jpg/v4-728px-9918-22.jpg)
- If the Kelvin value to be converted is an integer, your answer after converting to degrees Fahrenheit will be in decimal 0.67 (if degrees Fahrenheit is negative) or 0.33 (if degrees Fahrenheit is positive). .
kelvins Fahrenheit 0 -459.67 5 -450.67 50 -369.67 200 -99.67 500 440.33 1,000 yen 1.340.33 100,000 won approx 180,000
Convert degrees Fahrenheit to degrees Kelvin
![Image titled 9918 23](https://www.wikihow.com/images/thumb/6/6f/9918-23.jpg/v4-728px-9918-23.jpg)
- For example, if you need to convert 82°F, subtract that number from 32: 82 – 32 = 50.
![Image titled 9918 24](https://www.wikihow.com/images/thumb/2/21/9918-24.jpg/v4-728px-9918-24.jpg)
- So, 50 x 5/9 = 27.7 – now degrees Fahrenheit has been converted to degrees Celsius.
![Image titled 9918 25](https://www.wikihow.com/images/thumb/3/3b/9918-25.jpg/v4-728px-9918-25.jpg)
- Your calculation is 273.15 + 27.7 = 300.8. Therefore, 82°F = 300.8K.
![Image titled 9918 26](https://www.wikihow.com/images/thumb/4/4a/9918-26.jpg/v4-728px-9918-26.jpg)
Fahrenheit | kelvins (approx.) |
---|---|
-25 | 241 |
0 | 255 |
32 | right 273.15 |
70 | 294 |
100 | 311 |
150 | 339 |
212 | exactly 373.15 |
Advice
- Double-check the calculation so you are more confident with the final result.
- Remember that degrees Kelvin is always 273.15° higher than degrees Celsius.
- You can also use the formula C = 5/9(F – 32) to convert degrees F to degrees C, and 9/5C = F – 32 to convert degrees C to degrees F. This is a simple formula from equation: C/100=(F-32)/180 . Since the freezing point is within the 212 limit of the F thermometer, we have to subtract 32 from the Fahrenheit (F-32), then 212 minus 32, and that’s why we have a divisor of 180. This has been done. Now, both sides are equal and we have the “long” equation.
- If the information is used in countries that do not use the words “centigrade” or “Celsius”, you should use ‘°C’.
- Note, the Kelvin scale does not use the degree symbol like the Fahrenheit and Celsius scales.
- If you get a negative result when converting the value to degrees Kelvin, double-check the calculation. The lowest number is 0K aka absolute zero.
- A few important conversion values to remember are as follows:
- Water freezes at 0°C or 32°F.
- Body temperature is usually 37°C or 98.6°F.
- Water boils at 100°C or 212°F.
- At -40, both scales are equal.
- 280 degrees Kelvin can be converted to 101.62 degrees Fahrenheit without measuring Kelvin.
wikiHow is a “wiki” site, which means that many of the articles here are written by multiple authors. To create this article, 72 people, some of whom are anonymous, have edited and improved the article over time.
This article has been viewed 68,687 times.
You can convert degrees Fahrenheit (degrees Fahrenheit) to degrees Celsius (degrees Celsius) or vice versa by performing basic addition, subtraction, multiplication, and division operations. When you encounter a temperature with the wrong unit, you can easily convert units in a snap!
In conclusion, knowing how to convert between Fahrenheit, Celsius, and Kelvin is a valuable skill that can be useful in various scientific and everyday life applications. By understanding the formulas and principles behind these temperature scales, individuals can easily and accurately convert temperatures from one scale to another. Remembering the key conversion formulas and practicing regular temperature conversions can help individuals become proficient in this skill. Additionally, using conversion tools and calculators available online can be a helpful resource when faced with complex conversions or for quick and convenience conversions. Ultimately, being able to convert between Fahrenheit, Celsius, and Kelvin allows individuals to effectively communicate and understand temperature measurements across different regions, industries, and scientific disciplines.
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