Common Converters

Fahrenheit (°F) to Kelvin (K) Converter

Convert fahrenheit to kelvin units quickly and accurately.

About converting Fahrenheit to Kelvin

This conversion involves units that are temperature scales with different reference points and interval sizes. Unlike a simple length conversion, changing between these scales requires an offset as well as a scale adjustment. Degrees Fahrenheit are widely used for weather forecasts, cooking, and household temperatures in the United States. Fahrenheit and Kelvin use different reference points and interval sizes, so their relationship is calculated with the temperature-scale formula shown above. Kelvin is the SI base unit of thermodynamic temperature and begins at absolute zero, which makes it central to scientific work.

Fahrenheit and Kelvin conversion

Temperature scales use different zero points and intervals, so the calculator applies the appropriate temperature formula rather than a single multiplication factor.

Worked Fahrenheit to Kelvin examples

These examples use the appropriate temperature-scale relationship: 0 °F = 255.3722222222 K; 20 °F = 266.4833333333 K; 100 °F = 310.9277777778 K.