How To Convert Kelvin To Fahrenheit Or Celsius: 8 Steps - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Convert Kelvin to Fahrenheit or Celsius PDF download Download Article Reviewed by Anne Schmidt

Last Updated: March 10, 2025 References

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This article was reviewed by Anne Schmidt. Anne Schmidt is a Chemistry Instructor in Wisconsin. Anne has been teaching high school chemistry for over 20 years and is passionate about providing accessible and educational chemistry content. She has over 9,000 subscribers to her educational chemistry YouTube channel. She has presented at the American Association of Chemistry Teachers (AATC) and was an Adjunct General Chemistry Instructor at Northeast Wisconsin Technical College. Anne was published in the Journal of Chemical Education as a Co-Author, has an article in ChemEdX, and has presented twice and was published with the AACT. Anne has a BS in Chemistry from the University of Wisconsin, Oshkosh, and an MA in Secondary Education and Teaching from Viterbo University. This article has been viewed 491,545 times.

The Kelvin scale is a thermodynamic temperature scale where zero defines the point at which molecules give off no heat and all thermal motion ceases. In order to convert Kelvin measurements into Fahrenheit or Celsius, a simple plug-and-chug is all that's called for.

Steps

Method 1 Method 1 of 2:

Convert Kelvin to Fahrenheit

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  1. Step 1 Write down the formula for converting Kelvin to Fahrenheit. 1 Write down the formula for converting Kelvin to Fahrenheit. The formula is: ºF = 1.8 x (K - 273) + 32.[1]
  2. Step 2 Write down the Kelvin temperature. 2 Write down the Kelvin temperature. The Kelvin temperature in this example is 373 K. Remember that you should not use degrees when measuring the temperature in Kelvin.[2] Advertisement
  3. Step 3 Subtract 273 from the Kelvin temperature. 3 Subtract 273 from the Kelvin temperature.[3] Just subtract 273 from 373. 373 - 273 = 100.
  4. Step 4 Multiply the result by 9/5 or 1.8. 4 Multiply the result by 9/5 or 1.8.[4] Now, multiply the answer, 100, by 1.8. 100 * 1.8 = 180.
  5. Step 5 Add 32 to your final answer. 5 Add 32 to your final answer. Just add 32 to 180 to get your final answer.[5] 180 + 32 = 212. Therefore, 373 K = 212ºF.
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Method 2 Method 2 of 2:

Convert Kelvin to Celsius

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  1. Step 1 Write down the formula for converting Kelvin to Celsius. 1 Write down the formula for converting Kelvin to Celsius. The formula is: ºC = K - 273.[6]
  2. Step 2 Write down the Kelvin temperature. 2 Write down the Kelvin temperature. In this case, let's use 273 Kelvin.
  3. Step 3 Subtract 273 from the Kelvin temperature. 3 Subtract 273 from the Kelvin temperature.[7] Just subtract 273 from 273. 273 - 273 = 0. Therefore, 273K = 0 ºC.
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Community Q&A

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  • Question How do I convert F to C? Donagan Donagan Top Answerer Subtract 32 from F, then multiply by 5/9. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 12 Helpful 29
  • Question How do you convert fahrenheit to kelvin? Community Answer Community Answer Convert from Fahrenheit to Celsius, then convert from Celsius to Kelvin.°F ->°C; [°C] = ([°F] - 32) × 5/9; °C ->K; K = [°C]+273. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 13 Helpful 27
  • Question If a graph is plotted taking the temperature in Fahrenheit along the Y- axis, and the corresponding temperature in Celsius along the X- axis, then is the graph a straight line? Donagan Donagan Top Answerer Yes. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 7 Helpful 14
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Video

Tips

  • For very precise conversions use 273.15 instead of 273. Thanks Helpful 3 Not Helpful 5
  • Scientists generally omit the word "degree" when using Kelvin. Say '373 Kelvin' instead of '373 degrees Kelvin'. Thanks Helpful 2 Not Helpful 3
  • Any temperature difference will come out the same for Kelvin and Celsius. For instance the temperature difference between boiling water and melting ice can be calculated as follows:
    • 100 ºC - 0 ºC = 100 ºC or
    • 373.15 K - 273.15 K = 100 K
    Thanks Helpful 0 Not Helpful 0
Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement

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References

  1. ↑ https://www.metric-conversions.org/temperature/kelvin-to-fahrenheit.htm
  2. ↑ https://www.cuemath.com/kelvin-to-fahrenheit-formula/
  3. ↑ https://sciencenotes.org/convert-fahrenheit-to-kelvin-convert-kelvin-to-fahrenheit-example-problems/
  4. ↑ https://sciencenotes.org/convert-fahrenheit-to-kelvin-convert-kelvin-to-fahrenheit-example-problems/
  5. ↑ https://www.cuemath.com/kelvin-to-fahrenheit-formula/
  6. ↑ https://www.rapidtables.com/convert/temperature/how-kelvin-to-celsius.html
  7. ↑ https://www.omnicalculator.com/conversion/kelvin-to-celsius

About This Article

Anne Schmidt Reviewed by: Anne Schmidt Chemistry Instructor This article was reviewed by Anne Schmidt. Anne Schmidt is a Chemistry Instructor in Wisconsin. Anne has been teaching high school chemistry for over 20 years and is passionate about providing accessible and educational chemistry content. She has over 9,000 subscribers to her educational chemistry YouTube channel. She has presented at the American Association of Chemistry Teachers (AATC) and was an Adjunct General Chemistry Instructor at Northeast Wisconsin Technical College. Anne was published in the Journal of Chemical Education as a Co-Author, has an article in ChemEdX, and has presented twice and was published with the AACT. Anne has a BS in Chemistry from the University of Wisconsin, Oshkosh, and an MA in Secondary Education and Teaching from Viterbo University. This article has been viewed 491,545 times. 37 votes - 79% Co-authors: 40 Updated: March 10, 2025 Views: 491,545 Categories: Featured Articles | Conversion Aids Article SummaryX

To convert Kelvin to Fahrenheit, first subtract 273 from the Kelvin temperature. Next, multiply that result by 1.8. Finally, add 32 to get the Fahrenheit temperature. If you’re converting Kelvin to Celsius, just subtract 273 from the Kelvin temperature. To see how to work through examples of converting Kelvin to Fahrenheit or Celsius, scroll down! Did this summary help you?YesNo

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