Convert kelvin to fahrenheit
1 kelvin equals -457.87 fahrenheit. Enter a value below to convert instantly.
Need the other direction? Convert fahrenheit to kelvin →
Formula
°F = (K − 273.15) × 9/5 + 32
Not a simple multiplication. These scales have different zero points, so the conversion applies an offset as well as a ratio.
Step by step
- Start with 1 K.
- Apply the Kelvin-to-Fahrenheit formula.
- The result is -457.87 °F.
Kelvin to Fahrenheit conversion table
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| -40 | -531.67 |
| -20 | -495.67 |
| 0 | -459.67 |
| 10 | -441.67 |
| 20 | -423.67 |
| 32 | -402.07 |
| 37 | -393.07 |
| 50 | -369.67 |
| 98.6 | -282.19 |
| 100 | -279.67 |
Convert Kelvin to other temperature units
1 K expressed in every other temperature unit on this site.
- Celsius °C -272.15
- Fahrenheit °F -457.87
- Kelvin K 1
- Rankine °R 1.8
- Réaumur °Ré -217.72
- Delisle °De 558.225
- Newton Scale °N -89.8095
- Rømer °Rø -135.37875
About the kelvin
The kelvin (K) is a SI unit of temperature.
About the fahrenheit
The fahrenheit (°F) is a US unit of temperature.
Where this conversion is used
Converting kelvin to fahrenheit comes up when cooking, weather, medical readings, and science experiments. Because the scales have different zero points, you add or subtract an offset — you cannot simply multiply.
Related conversions
Frequently asked questions
How many fahrenheit are in a kelvin?
One kelvin equals -457.87 fahrenheit.
How do you convert kelvin to fahrenheit?
°F = (K − 273.15) × 9/5 + 32
What is 1 fahrenheit in kelvin?
One fahrenheit equals 255.92778 kelvin.
When would I convert kelvin to fahrenheit?
This conversion is common when cooking, weather, medical readings, and science experiments.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.