Fahrenheit to Kelvin
Free instant fahrenheit to kelvin converter. K = (°F − 32) × 5 / 9 + 273.15.
Common Fahrenheit to Kelvin values
| Fahrenheit (°F) | Kelvin (K) |
|---|---|
| 0 | 255.372 |
| 32 | 273.15 |
| 50 | 283.15 |
| 68 | 293.15 |
| 75 | 297.039 |
| 100 | 310.928 |
| 200 | 366.483 |
| 212 | 373.15 |
How does Fahrenheit to Kelvin conversion work?
Type a value in the Fahrenheit (°F) field and the equivalent in Kelvin (K) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Fahrenheit. The temperature unit used in the United States. 32 °F is the freezing point of water; 212 °F is the boiling point at sea level.
Kelvin. The SI base unit for temperature, used in science. 0 K is absolute zero (−273.15 °C). No degree symbol — just "K".
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🎯 Accurate conversions
Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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