Convert per kelvin to per degree fahrenheit instantly. Type in either field — results update live.
Selected 1/K values converted to 1/°F using the exact factor from this tool.
| 1/K | 1/°F |
|---|---|
| 0.01 | 0.0055555556 |
| 0.1 | 0.0555555556 |
| 1 | 0.5555555556 |
| 2 | 1.1111111111 |
| 3 | 1.6666666667 |
| 5 | 2.7777777778 |
| 10 | 5.5555555556 |
| 20 | 11.1111111111 |
| 50 | 27.7777777778 |
| 100 | 55.5555555556 |
| 1,000 | 555.5555555556 |
Exact conversion factors in both directions, plus a worked example.
1 1/K = 0.5555555556 1/°F
1 1/°F = 1.8 1/K
To convert per kelvin to per degree fahrenheit, multiply by 0.5555555556.
To convert per degree fahrenheit to per kelvin, multiply by 1.8.
Example: convert 10 1/K to 1/°F
10 × 0.5555555556 = 5.5555555556 1/°F
Short background on the units used in this conversion.
Per kelvin (1/K) is the SI unit for linear or volumetric thermal expansion coefficients — fractional change in length per kelvin temperature change.
Coefficients per kelvin describe how metals, plastics, and concrete grow with temperature in structural and piping design.
Per degree Fahrenheit (1/°F) is larger than per kelvin because a Fahrenheit degree interval is smaller — 1/°F equals 1.8/K.
US material tables often list expansion in 1/°F; convert carefully because per-degree coefficients scale inversely with interval size.
1/°F = 1/K × 0.55555555561/K = 1/°F × 1.8, using the same exact factors as this converter.Jump to any thermal expansion conversion starting from per kelvin — including the reverse direction and every other unit in our dataset.