Fahrenheit to Kelvin
Convert fahrenheit (°F) to kelvin (K) instantly — with formula and reference table.
°F
K
Quick answer: 1 °F = 255.927778 K. To convert fahrenheit to kelvin, apply °F × 0.555556 + 255.372222.
Converting fahrenheit to kelvin
This converter changes a value in fahrenheit (°F) into kelvin (K). One fahrenheit equals 255.927778 K. To convert Fahrenheit to Kelvin, subtract 32, multiply by 5/9, then add 273.15. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
K = °F × 0.555556 + 255.372222
Example
Convert 25 °F to K: 25 × 0.555556 + 255.372222 = 269.261111 K.
Fahrenheit to Kelvin conversion table
| Fahrenheit (°F) | Kelvin (K) |
|---|---|
| 1 °F | 255.927778 K |
| 2 °F | 256.483333 K |
| 3 °F | 257.038889 K |
| 5 °F | 258.15 K |
| 10 °F | 260.927778 K |
| 20 °F | 266.483333 K |
| 25 °F | 269.261111 K |
| 50 °F | 283.15 K |
| 100 °F | 310.927778 K |
Popular fahrenheit to kelvin conversions
Quick answers for the °F values people look up most often:
- 4 °F = 257.5944 K
- 6 °F = 258.7056 K
- 7 °F = 259.2611 K
- 8 °F = 259.8167 K
- 9 °F = 260.3722 K
- 12 °F = 262.0389 K
- 15 °F = 263.7056 K
- 30 °F = 272.0389 K
- 40 °F = 277.5944 K
- 60 °F = 288.7056 K
- 75 °F = 297.0389 K
- 80 °F = 299.8167 K
- 90 °F = 305.3722 K
- 150 °F = 338.7056 K
- 200 °F = 366.4833 K
- 250 °F = 394.2611 K
- 500 °F = 533.15 K
- 1000 °F = 810.9278 K
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How to use this converter
- Enter a value in the fahrenheit (°F) field.
- Read the converted value in kelvin (K) below.
- Type into the K field instead to convert in reverse, or use the swap button.
Frequently asked questions
How do I convert Fahrenheit to Kelvin?
K = (F - 32) times 5/9 + 273.15.
What is 32 Fahrenheit in Kelvin?
32 Fahrenheit equals 273.15 Kelvin, the freezing point of water.
What is room temperature (70 F) in Kelvin?
70 Fahrenheit is about 294.3 Kelvin.
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