Convert Kelvin to Fahrenheit

Instant temperature conversion, with the formula and a full reference table.

1 K -457.87 °F

1 °F = 255.93 K

How to convert Kelvin to Fahrenheit

Temperature scales do not share a zero point, so the conversion needs an offset as well as a multiplier — you cannot simply scale the number.

°°F = (°K × 1 − 273.15 + 17.7778) ÷ 0.55555556

Worked example

To convert 25 K: apply the formula above to get -414.67 °F.

Kelvin to Fahrenheit conversion table

Kelvin (K) Fahrenheit (°F)
1 -457.87
2 -456.07
3 -454.27
5 -450.67
10 -441.67
20 -423.67
25 -414.67
50 -369.67
100 -279.67
250 -9.67
500 440.33
1,000 1,340.33