Kelvin to Fahrenheit
Free instant kelvin to fahrenheit converter. °F = (K − 273.15) × 9 / 5 + 32.
Common Kelvin to Fahrenheit values
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| 0 | -459.67 |
| 100 | -279.67 |
| 200 | -99.67 |
| 273.15 | 32 |
| 300 | 80.33 |
| 373.15 | 212 |
| 500 | 440.33 |
| 1000 | 1340.33 |
How does Kelvin to Fahrenheit conversion work?
Type a value in the Kelvin (K) field and the equivalent in Fahrenheit (°F) 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.
Kelvin. The SI base unit for temperature, used in science. 0 K is absolute zero (−273.15 °C). No degree symbol — just "K".
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.
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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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