Fahrenheit to Kelvin converter

Convert °F to K instantly — type a value in either box.

°F
K

How to convert Fahrenheit to Kelvin

K = (°F − 32) × 5/9 + 273.15. Going the other way: °F = (K − 273.15) × 9/5 + 32.

Fahrenheit (°F) puts the freezing point of water at 32 and the boiling point at 212. It is the everyday scale in the United States. Kelvin (K) is the SI unit of temperature. It starts at absolute zero, so 0 K is −273.15 °C.

Common conversions

  • 32 °F in Kelvin is 273.15 K.
  • 98.6 °F in Kelvin is 310.15 K.
  • 212 °F in Kelvin is 373.15 K.

°F to K conversion table

Fahrenheit (°F)Kelvin (K)
-459.67 °F0 K
-40 °F233.15 K
0 °F255.3722 K
32 °F273.15 K
68 °F293.15 K
98.6 °F310.15 K
212 °F373.15 K

Questions and answers

What is the freezing point of water in Kelvin?

Water freezes at 32 °F, which is 273.15 K.

What is the boiling point of water in Kelvin?

At sea level, water boils at 212 °F, which is 373.15 K. To convert the other way, use the Kelvin to Fahrenheit converter.

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