1 degree Fahrenheit = 255.928 kelvins
Convert degrees Fahrenheit to kelvins.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
K = °F × 0.555556 + 255.372
Worked through with a real value: 25 degrees Fahrenheit = 269.261 kelvins.
Going the other way: °F = K × 1.8 − 459.67, so 1 kelvin = -457.87 degrees Fahrenheit.
What each unit is
- degree Fahrenheit °F
- Water freezes at 32 and boils at 212. Used for weather and cooking in the United States and a few of its neighbours.
- kelvin K
- The SI base unit. Zero is absolute zero, and a kelvin is the same size as a degree Celsius, so the two differ only by 273.15.
Conversion tables
| degrees Fahrenheit (°F) | kelvins (K) |
|---|---|
| -40 | 233.15 |
| -30 | 238.706 |
| -20 | 244.261 |
| -10 | 249.817 |
| 0 | 255.372 |
| 5 | 258.15 |
| 10 | 260.928 |
| 15 | 263.706 |
| 20 | 266.483 |
| 25 | 269.261 |
| 30 | 272.039 |
| 35 | 274.817 |
| 37 | 275.928 |
| 40 | 277.594 |
| 100 | 310.928 |
| kelvins (K) | degrees Fahrenheit (°F) |
|---|---|
| -40 | -531.67 |
| -30 | -513.67 |
| -20 | -495.67 |
| -10 | -477.67 |
| 0 | -459.67 |
| 5 | -450.67 |
| 10 | -441.67 |
| 15 | -432.67 |
| 20 | -423.67 |
| 25 | -414.67 |
| 30 | -405.67 |
| 35 | -396.67 |
| 37 | -393.07 |
| 40 | -387.67 |
| 100 | -279.67 |
Questions
What is 25 °F in K?
25 degrees Fahrenheit = 269.261 kelvins.
How do I convert degrees Fahrenheit to kelvins?
Use K = °F × 0.555556 + 255.372. The two scales have different zero points as well as different degree sizes, so a single multiplication is not enough.
What is 10 °F in K?
10 degrees Fahrenheit = 260.928 kelvins.
What is 100 °F in K?
100 degrees Fahrenheit = 310.928 kelvins.
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