Convert Fahrenheit to Kelvin
Enter a value in Fahrenheit to convert it to Kelvin.
Fahrenheit to Kelvin reference
| Fahrenheit | Kelvin |
|---|---|
| 1 °F | 255.9278 K |
| 2 °F | 256.4833 K |
| 5 °F | 258.15 K |
| 10 °F | 260.9278 K |
| 25 °F | 269.2611 K |
| 50 °F | 283.15 K |
| 100 °F | 310.9278 K |
How temperature conversion works
Temperature scales have different zero points, so you cannot just multiply. Celsius to Fahrenheit is °F = °C × 9/5 + 32; Celsius to Kelvin is K = °C + 273.15. This tool converts your value to Celsius first, then to the target scale.
Where this conversion comes up
Weather, cooking and oven settings, thermostats, and science homework.
See the common unit conversions cheat sheet for the factors worth memorising.
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Frequently asked questions
How many Kelvin are in a Fahrenheit?
1 Fahrenheit = 255.927778 Kelvin.
What is the formula to convert Fahrenheit to Kelvin?
Temperature scales have different zero points, so it is not a single multiplication — see "How temperature conversion works" below.
What is 10 Fahrenheit in Kelvin?
See the reference table below for common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.