Fahrenheit to Kelvin ConverterRight in Your Browser
Convert degrees Fahrenheit (°F) to kelvins (K). Fahrenheit (°F) is the everyday temperature scale in the United States — 32° is freezing and 212° is boiling water. The kelvin (K) is the SI temperature unit used in science — it starts at absolute zero, so nothing can be colder than 0 K. Everything is calculated locally in your browser — no server, and it works offline.
255.928 K
in kelvins (Kelvin)
To convert degrees Fahrenheit to kelvins, multiply the Fahrenheit value by 0.555556, then add 255.372.
Switch to Kelvin to FahrenheitFahrenheit to Kelvin Chart
| Degrees Fahrenheit (°F) | Kelvins (K) |
|---|---|
| -40 | 233.15 |
| 0 | 255.372 |
| 10 | 260.928 |
| 20 | 266.483 |
| 25 | 269.261 |
| 30 | 272.039 |
| 37 | 275.928 |
| 40 | 277.594 |
| 100 | 310.928 |
Frequently Asked Questions
What is 32 °F in kelvins?
32 °F — the freezing point of water — is 273.15 K. Type any temperature into the converter above for an instant result.
What is the formula to convert degrees Fahrenheit to kelvins?
To convert degrees Fahrenheit to kelvins, multiply the Fahrenheit value by 0.555556, then add 255.372. For example, 10 °F is 260.928 K.
What is 98.6 degrees Fahrenheit in kelvins?
98.6 degrees Fahrenheit — normal human body temperature — is 310.15 kelvins. The converter above works for any value, entirely in your browser.
Is the Fahrenheit to Kelvin formula exact?
Yes — the Fahrenheit and Kelvin scales are defined exactly in terms of each other, so "multiply the Fahrenheit value by 0.555556, then add 255.372" gives an exact result. Values on this page are rounded to six significant digits for readability.