Convert °F to K instantly — formula, worked examples and a conversion table of common values.
Convert fahrenheit (°F) to kelvin (K). Enter a value on either side and the other updates instantly — nothing is sent to a server.
One degree Fahrenheit equals 255.927778 K. The table below lists the values people look up most often, and each one links to a page with the worked calculation.
K = (°F − 32) × 5/9 + 273.15| Fahrenheit (°F) | Kelvin (K) |
|---|---|
| -40 | 233.15 |
| 0 | 255.372 |
| 32 | 273.15 |
| 50 | 283.15 |
| 68 | 293.15 |
| 77 | 298.15 |
| 86 | 303.15 |
| 98.6 | 310.15 |
| 100 | 310.928 |
| 212 | 373.15 |
| 350 | 449.817 |
| 400 | 477.594 |
1 degree Fahrenheit = 255.927778 K.
68 °F = 293.15 K.
212 °F = 373.15 K.
Use the formula K = (°F − 32) × 5/9 + 273.15. Or type any value into the converter above — it works in both directions.