Convert kelvins to fahrenheits
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Show this value in all 8 temperature units
- Kelvins K 1
- Celsiuss °C -272.15
- Fahrenheits °F -457.87
- Rankines °R 1.8
- Réaumurs °Ré -217.72
- Delisles °De 558.225
- Newton scales °N -89.8095
- Rømers °Rø -135.378 75
Every row is Kelvin (K) converted through the kelvin, in exact rational arithmetic.
How to convert kelvins to fahrenheits
The two scales have different zero points, so you cannot just multiply — you shift the zero as well. Enter a value above and the exact arithmetic is done for you.
The exact factor is -457.87 — as a fraction, -45787/100.
Kelvin: The SI base unit. Absolute zero is 0 K; there are no negative kelvins.
Kelvin to Fahrenheit conversion table
| Kelvins (K) | Fahrenheits (°F) |
|---|---|
| 0 K | -459.67 |
| 10 K | -441.67 |
| 20 K | -423.67 |
| 25 K | -414.67 |
| 30 K | -405.67 |
| 37 K | -393.07 |
| 50 K | -369.67 |
| 100 K | -279.67 |
| 200 K | -99.67 |
Fahrenheit to Kelvin conversion table
| Fahrenheits (°F) | Kelvins (K) |
|---|---|
| -40 °F | 233.15 |
| -20 °F | 244.261 11 |
| -10 °F | 249.816 67 |
| 0 °F | 255.372 22 |
| 10 °F | 260.927 78 |
| 20 °F | 266.483 33 |
| 25 °F | 269.261 11 |
| 30 °F | 272.038 89 |
| 37 °F | 275.927 78 |
| 50 °F | 283.15 |
| 100 °F | 310.927 78 |
| 200 °F | 366.483 33 |
Frequently asked
How many fahrenheits are in a kelvin?
One kelvin equals -457.87 fahrenheits (K → °F). That figure is exact, not rounded.
How do you convert kelvins to fahrenheits?
The two scales have different zero points, so you cannot just multiply — you shift the zero as well. Enter a value above and the exact arithmetic is done for you.
What is 1 °F in kelvins?
One fahrenheit is 255.9277778 kelvins.
What is 10 K in °F?
10 K = -441.67 °F.
What exactly is a kelvin?
The SI base unit. Absolute zero is 0 K; there are no negative kelvins.