Fahrenheit to Kelvin (°F to K)

0 °F = 255.372 K. Type any value below to convert Fahrenheit to Kelvin instantly.

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0 °F = 255.372 K. Type any value below to convert Fahrenheit to Kelvin instantly.

Quick reference

0 °F = 255.372 K

Formula: K = (°F − 32) × 5/9 + 273.15

About °F to K

Needed in engineering and science problems that mix US units with SI formulas.

Temperature scales have different zero points, so you cannot just multiply: use K = (°F − 32) × 5/9 + 273.15. For example, 68 °F = 293.15 K.

Fahrenheit: water freezes at 32 °F and boils at 212 °F at sea level. Kelvin: the SI scale starting at absolute zero; a change of 1 K equals 1 °C.

Formula: K = (°F − 32) × 5/9 + 273.15

Values rounded to 6 significant figures.

1
Type a value in Fahrenheit in the converter above (it is preset to °F → K).
2
Read the result instantly; tap Swap units to convert the other way.
3
Use the table for common values or the formula K = (°F − 32) × 5/9 + 273.15 to convert by hand.

How many Kelvin are in one Fahrenheit?

Temperature conversion is not a fixed ratio. 0 °F = 255.372 K, and the formula is K = (°F − 32) × 5/9 + 273.15.

How do I convert Fahrenheit to Kelvin?

Use K = (°F − 32) × 5/9 + 273.15. For example, 68 °F = 293.15 K.

Is the converter accurate?

It uses the exact international definitions of each unit and shows up to six significant figures.