Formula
K to °F conversion formula
Use this relationship for a direct conversion:
°F = (K x 1.8) - 459.67
Worked example
10 K = -441.67 °F.
The kelvin-to-Celsius offset and Fahrenheit scale relationship are exact by definition.
Temperature conversion
Convert Kelvin to Fahrenheit
1 kelvin (K) equals -457.87 fahrenheit (°F). Enter any value below to convert from K to °F.
Enter a value and choose units. Results update instantly.
1 K = -457.87 °F
All Temperature units
From 1 K| Unit | Value |
|---|---|
| Celsius °C | -272.15 |
| Fahrenheit °F | -457.87 |
| Kelvin K | 1 |
| Rankine °R | 1.8 |
Recent conversions
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Quick reference
Kelvin to Fahrenheit table
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| -40 | -531.67 |
| -20 | -495.67 |
| 0 | -459.67 |
| 10 | -441.67 |
| 20 | -423.67 |
| 37 | -393.07 |
| 50 | -369.67 |
| 100 | -279.67 |
From unit
About the kelvin
The SI base unit of thermodynamic temperature.
Symbol: K
To unit
About the fahrenheit
A scale where water freezes at 32 degrees and boils near 212 degrees at standard pressure.
Symbol: °F
Keep converting
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Source
Conversion standard
Definitions are checked against BIPM SI Brochure: thermodynamic temperature. Calculations use full internal precision before display rounding.
View the complete temperature converterQuestions
K to °F FAQ
How do you convert kelvin to fahrenheit?
Use the formula °F = (K x 1.8) - 459.67. 1 kelvin (K) equals -457.87 fahrenheit (°F).
Is the K to °F conversion exact?
The kelvin-to-Celsius offset and Fahrenheit scale relationship are exact by definition.