Fahrenheit to Kelvin Converter
Convert fahrenheit to kelvin online. 100 °F = 310.927778 K. Free, instant Fahrenheit-to-Kelvin converter. Works both ways with a formula and reference table.
Fahrenheit → Kelvin
1 °F = 255.927778 K
Fahrenheit to Kelvin conversion table
| Fahrenheit (°F) | Kelvin (K) |
|---|---|
| 1 °F | 255.927778 K |
| 2 °F | 256.483333 K |
| 5 °F | 258.15 K |
| 10 °F | 260.927778 K |
| 25 °F | 269.261111 K |
| 50 °F | 283.15 K |
| 100 °F | 310.927778 K |
- Instant, live Fahrenheit ↔ Kelvin conversion
- Accurate to the exact formula
- Converts in both directions
- Reference table of common values
- 100% private — runs entirely in your browser
- Free, no sign-up, works offline
How to use the Fahrenheit to Kelvin Converter
- 1
Type the number of fahrenheit in the first box.
- 2
Read the equivalent value in kelvin instantly in the second box.
- 3
Or type a Kelvin value to convert back to fahrenheit — it works both ways.
- 4
Copy the result, or check the reference table for common conversions.
About the Fahrenheit to Kelvin Converter
The ByteTools Fahrenheit to Kelvin Converter turns any Fahrenheit temperature into Kelvin instantly using the standard conversion formula, K = (°F − 32) × 5/9 + 273.15. Type a value and the result updates live, with the formula and a quick reference table shown below.
Temperature conversions are essential for weather, cooking, science and travel between countries that use Celsius and Fahrenheit. Everything is calculated locally in your browser — nothing is uploaded — so it is fast, private and works offline. Enter a number in either box to convert both ways, and use the table for common Fahrenheit-to-Kelvin values at a glance.
Frequently asked questions
What is the formula to convert Fahrenheit to Kelvin?
Use K = (°F − 32) × 5/9 + 273.15. Enter any Fahrenheit value and this tool applies the formula instantly. For example, 100 °F equals 310.927778 K.
What is 0 °F in Kelvin?
Zero °F equals 255.372222 K. Temperature scales have different zero points, so the conversion is an offset formula rather than a simple multiplication.
How do I convert Kelvin back to Fahrenheit?
Apply the inverse formula, or simply use our Kelvin to Fahrenheit converter for the reverse direction. Both pages share the same exact conversion so the numbers always match.
Is this Fahrenheit to Kelvin converter free and private?
Yes. The conversion runs entirely in your browser with JavaScript — nothing you type is uploaded, logged or stored. It is completely free, needs no sign-up and keeps working offline once loaded.