Kelvin to Fahrenheit
1 K = -457.87 °F
How to convert kelvin to fahrenheit
Enter the value in kelvin (K) above and the equivalent in fahrenheit (°F) updates as you type. This conversion comes up when checking the weather in a country that uses a different scale than home.
Typical situations: following recipes with oven settings from another region; interpreting a fever reading from a thermometer set to the wrong unit; understanding scientific material (lab protocols are always in Celsius or Kelvin).
You can also convert in the other direction: Fahrenheit to Kelvin
Kelvin to Fahrenheit conversion table
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| 1 | -457.87 |
| 2 | -456.07 |
| 5 | -450.67 |
| 10 | -441.67 |
| 25 | -414.67 |
| 50 | -369.67 |
| 100 | -279.67 |
Watch out for
- Converting oven temperatures too literally: fan-assisted ovens often need 20 °C less than the recipe says
- Fever thresholds do not shift linearly in feel: 38 °C (100.4 °F) is a fever, but "100" sounds scarier in Fahrenheit than it is
Frequently asked questions
How many degrees Fahrenheit is 1 kelvin?
1 kelvin = -457.87 degrees Fahrenheit.
What is the formula to convert kelvin to degrees Fahrenheit?
The formula is: °F = (K × 1.8) + -459.67.
What is 10 Kelvin in degrees Fahrenheit?
10 Kelvin = -441.67 degrees Fahrenheit.