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Kelvin to Fahrenheit

1 Kelvin = -457.87 Fahrenheit

Common amounts:

About the kelvin to fahrenheit conversion

The kelvin (K) and the fahrenheit (°F) are both units of temperature. Convert between temperature scales — Celsius, Fahrenheit and Kelvin.

Unlike length or weight conversions, temperature scales have different zero points, so the conversion is not a simple multiplication — the converter uses the exact offset-and-scale formula automatically.

Reference table

KelvinFahrenheit
1 K-457.87 °F
5 K-450.67 °F
10 K-441.67 °F
25 K-414.67 °F
50 K-369.67 °F
100 K-279.67 °F

Need the reverse conversion? Convert Fahrenheit to Kelvin.

Convert Kelvin to other temperature units

Frequently asked questions

How many fahrenheit is 1 kelvin?
1 Kelvin equals -457.87 Fahrenheit. To go the other way, 1 Fahrenheit equals 255.9278 Kelvin.
What's the formula to convert kelvin to fahrenheit?
Temperature scales are offset and scaled differently, so there's no single multiplier. The converter above uses the exact formula for each pair.
Does this converter handle decimals and very large numbers?
Yes. Type any real number, including decimals or values in the trillions. Math runs entirely in your browser — no server round-trip, no sign-up, and nothing to install.