Whether you are interpreting lab measurements in familiar units, converting Kelvin to Fahrenheit by hand is easy to get wrong. This free converter gives you an instant, exact answer — 1 K = -457.87 °F — and runs entirely in your browser.
How to convert Kelvin to Fahrenheit
To convert a value from K to °F, subtract 273.15, multiply by 9/5, then add 32. For example: -423.67 °F equals 20 K converted with the formula, and -279.67 °F equals 100 K. Because the two scales do not share a zero point, a single multiplication factor is not enough — the offset must be applied too.
Going the other way, use the Fahrenheit to Kelvin converter.
Kelvin to Fahrenheit conversion table
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| 0 | -459.67 |
| 100 | -279.67 |
| 200 | -99.67 |
| 273.15 | 32 |
| 373.15 | 212 |
| 500 | 440.33 |
Other temperature conversions
Why use the HandyTools converter
Most unit converters upload your values to a server or bury you in ads. HandyTools performs the K-to-°F conversion locally on your device with instant bidirectional results — type in either box and both update at once. There is nothing to install, nothing to sign up for, and your numbers never leave your browser.