Convert Fahrenheit to Kelvin (°F to K)
Convert fahrenheit to kelvin instantly. Formula: K = (°F − 32) × 5/9 + 273.15. Free fahrenheit-to-kelvin converter with table and formula.
Need to turn degrees Fahrenheit (°F) into kelvins (K)? The conversion uses the formula K = (°F − 32) × 5/9 + 273.15. Enter a value below for an instant, accurate result, or scan the conversion table for common values.
Kelvin is the SI unit of thermodynamic temperature; 0 K is absolute zero, equal to −273.15°C. The Fahrenheit scale is used for daily weather in the United States; water freezes at 32°F and boils at 212°F. Converting between the two is a routine part of temperature readings in weather, cooking, science, and medicine. It bridges the imperial/US customary system and SI units, which is why this conversion comes up so often.
-17.2222221255.927778Conversion formula
K = (°F − 32) × 5/9 + 273.15Conversion table
| Value | Converted |
|---|---|
| -40 °F | 233.15 K |
| 0 °F | 255.3722 K |
| 10 °F | 260.9278 K |
| 20 °F | 266.4833 K |
| 37 °F | 275.9278 K |
| 100 °F | 310.9278 K |
| 212 °F | 373.15 K |
Frequently Asked Questions
What is 20°F in K?
20°F equals 266.4833K. Apply the formula K = (°F − 32) × 5/9 + 273.15.
How do you convert degrees Fahrenheit to kelvins?
Use the formula K = (°F − 32) × 5/9 + 273.15. For example, 20°F works out to 266.4833K.
At what point are degrees Fahrenheit and kelvins equal?
The scales differ by a fixed offset, so they never read the same value.
Is this fahrenheit to kelvin converter free and private?
Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.
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