How to convert kelvin to degrees Fahrenheit
Kelvin and Fahrenheit are different temperature scales, so converting isn't a simple ratio — you apply a formula that accounts for both the scale and the offset between them.
Formula: °F = (K − 273.15) × 9/5 + 32. For example, 10 K = -441.67 °F.
Kelvin to Fahrenheit conversion table
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| -40 | -531.67 |
| 0 | -459.67 |
| 10 | -441.67 |
| 20 | -423.67 |
| 25 | -414.67 |
| 30 | -405.67 |
| 37 | -393.07 |
| 100 | -279.67 |
Kelvin and Fahrenheit explained
Kelvin (K): The SI base unit of temperature, starting at absolute zero (0 K = −273.15 °C).
Fahrenheit (°F): A scale where water freezes at 32° and boils at 212°, used mainly in the US.
When you'd convert kelvin to degrees Fahrenheit
Switching between Kelvin and Fahrenheit comes up with weather, cooking and science — the US reports temperature in °F while most of the world uses °C, and scientific work uses kelvin. This converter gives the exact value so you never have to estimate.
Frequently asked questions
How many degrees Fahrenheit are in a kelvin?
Temperature isn't a simple ratio — use °F = (K − 273.15) × 9/5 + 32. For example, -423.67 °F corresponds to 20 K.
What is the formula to convert kelvin to degrees Fahrenheit?
°F = (K − 273.15) × 9/5 + 32. Apply it directly to your temperature.
What is 2 kelvin in degrees Fahrenheit?
2 K = -456.07 °F. You can enter any value in the converter above to get an instant result.
Is this Kelvin to Fahrenheit converter accurate?
Yes. It uses the standard conversion formula defined by BIPM — SI Brochure (definition of the kelvin), so results are exact to several decimal places.