Convert Fahrenheit to Kelvin (F to K)
Instantly convert fahrenheit to kelvin with this free online converter. Type a value below and the result updates in real time. All calculations run in your browser, nothing is sent to a server.
Fahrenheit to Kelvin Formula
K = (F - 32) x 5/9 + 273.15
Subtract 32, multiply by 5/9, then add 273.15.
Common Fahrenheit to Kelvin Conversions
| Fahrenheit (F) | Kelvin (K) |
|---|---|
| -40 F | 233.15 K |
| 0 F | 255.372222 K |
| 32 F | 273.15 K |
| 50 F | 283.15 K |
| 68 F | 293.15 K |
| 72 F | 295.372222 K |
| 77 F | 298.15 K |
| 98.6 F | 310.15 K |
| 100 F | 310.927778 K |
| 212 F | 373.15 K |
How to Convert Fahrenheit to Kelvin
- Enter the fahrenheit value in the input field above.
- The kelvin result appears instantly as you type.
- Click the copy button to copy the result to your clipboard.
- To convert in the other direction, click the Swap button or visit the Kelvin to Fahrenheit converter.
Frequently Asked Questions
How many kelvin are in one fahrenheit?
Use the converter above to find the exact value for any fahrenheit amount.
What is the formula to convert F to K?
The formula is: K = (F - 32) x 5/9 + 273.15. Subtract 32, multiply by 5/9, then add 273.15.
How do I convert kelvin back to fahrenheit?
Use our reverse converter: Kelvin to Fahrenheit. You can also click the "Swap" button above the converter.
Is this converter accurate?
Yes. This converter uses the standard conversion factor and handles up to 8 decimal places of precision. All calculations run instantly in your browser with no rounding shortcuts.
Do I need to sign up to use this converter?
No. This converter is completely free with no signup, no account, and no usage limits. Your data never leaves your browser.
About This Tool
- Tool
- FreeToolPark Fahrenheit to Kelvin Converter
- Type
- Free online tool, no signup required
- Domain Expertise
- Unit conversion, measurement systems, data format conversion
- Privacy
- 100% client-side, no data stored
- Description
- Free fahrenheit to kelvin converter. Instantly convert F to K with a reference table of common values. No signup, runs in your browser.
Cite This Tool
FreeToolPark. "Fahrenheit to Kelvin Converter." FreeToolPark, 2026, www.freetoolpark.com/tools/convert/f-to-k. Accessed April 14, 2026.