Updated 2026 · By ToolFern

Kelvin to Fahrenheit Converter

Convert kelvin to fahrenheit (K to °F) instantly. Type a value and get the answer live, or use the table below. 1 K = -457.87 °F.

K
=
°F

How to convert kelvin to fahrenheit

To convert kelvin to fahrenheit, use the temperature formula °F = (K − 273.15) × 9/5 + 32. Temperature scales do not share a zero point, so you cannot just multiply, you apply the formula.Enter any value in the box above and the answer updates instantly, no sign-up and nothing leaves your browser.

Kelvin to Fahrenheit conversion table

Kelvin (K)Fahrenheit (°F)
1 K-457.87 °F
2 K-456.07 °F
3 K-454.27 °F
5 K-450.67 °F
10 K-441.67 °F
20 K-423.67 °F
25 K-414.67 °F
50 K-369.67 °F
100 K-279.67 °F
1,000 K1,340.33 °F

Frequently asked questions

How many fahrenheit in a kelvin?

1 K = -457.87 °F. So 1 kelvin equals -457.87 fahrenheit.

What is the K to °F formula?

°F = (K − 273.15) × 9/5 + 32.

Does it work in reverse?

Yes. Use the Fahrenheit to Kelvin converter to go the other way.

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