Fahrenheit to Kelvin

Convert fahrenheit (°F) to kelvin (K) — with the exact factor, a quick-reference table and a free converter that works offline.

K = (°F + 459.67) × 5/9

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Conversion table

Fahrenheit (°F)	Kelvin (K)
-40 °F	233.15 K
0 °F	255.3722 K
32 °F	273.15 K
68 °F	293.15 K
98.6 °F	310.15 K
212 °F	373.15 K
350 °F	449.8167 K
500 °F	533.15 K

How the conversion works

Fahrenheit and Kelvin are temperature scales related by an exact formula: K = (°F + 459.67) × 5/9. Used in US for everyday temperature. SI base unit of temperature.

FAQ

What is 68 °F in Kelvin?

68 °F equals 293.15 K.

How do I convert Fahrenheit to Kelvin?

K = (°F + 459.67) × 5/9.

Is the conversion exact?

Yes — the relationship between Fahrenheit and Kelvin is an exact defined formula (NIST SP 811).

Related conversions

Kelvin to Fahrenheit Celsius to Fahrenheit Fahrenheit to Celsius Celsius to Kelvin

Conversion factors: NIST SP 811. Computed by the same engine that powers the app.