Fahrenheit to Kelvin Converter
Convert Fahrenheit to Kelvin instantly. Enter any °F value and the Kelvin equivalent appears immediately. Reference table covers absolute zero through everyday and high temperatures.
Formula:[value] °F ÷ 1.8 + 255.37 = [result] K
How to convert Fahrenheit to Kelvin
°F ÷ 1.8 + 255.37 = K
For example: 68 °F ÷ 1.8 + 255.37 = 293.1 K
↑ Use the converter aboveCommon Fahrenheit to Kelvin conversions
| Fahrenheit (°F) | Kelvin (K) |
|---|---|
| -459.7 °F | 0 K |
| 0 °F | 255.4 K |
| 32 °F | 273.1 K |
| 68 °F | 293.1 K |
| 98.6 °F | 310.1 K |
| 212 °F | 373.1 K |
| 350 °F | 449.8 K |
| 400 °F | 477.6 K |
| 1,000 °F | 810.9 K |
| 2,000 °F | 1 K |
About this conversion
Fahrenheit to Kelvin is a two-step conversion: first convert Fahrenheit to Celsius by subtracting 32 and multiplying by 5/9, then add 273.15 to reach Kelvin. This conversion is needed when US-measured temperatures must be used in scientific calculations that require the absolute Kelvin scale. Kelvin is the SI base unit of temperature — gas laws, thermodynamics, and astrophysics all use Kelvin. Key landmarks: −459.67°F = 0 K (absolute zero), 32°F = 273.15 K (water freezes), 98.6°F = 310.15 K (body temperature), 212°F = 373.15 K (water boils). Scientists working with US instruments may need to convert Fahrenheit readings to Kelvin for input into equations like the ideal gas law (PV = nRT).