Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine.
0 °C
CelsiusInput
0°C
Fahrenheit
32°F
Kelvin
273.15K
Rankine
491.67°R
Conversion Formulas
°F = °C × 9/5 + 32
°C = (°F − 32) × 5/9
K = °C + 273.15
°C = K − 273.15
°R = (°C + 273.15) × 9/5
°C = (°R − 491.67) × 5/9
K = (°F − 32) × 5/9 + 273.15
°F = (K − 273.15) × 9/5 + 32
°R = °F + 459.67
°F = °R − 459.67
°R = K × 9/5
K = °R × 5/9
Common Reference Points
| Reference | °C | °F | K | °R | |
|---|---|---|---|---|---|
| Absolute Zero | -273.15 | -459.67 | 0 | 0 | |
| Water Freezing | 0 | 32 | 273.15 | 491.67 | |
| Human Body Temp | 37 | 98.6 | 310.15 | 558.27 | |
| Water Boiling | 100 | 212 | 373.15 | 671.67 |
How to use
Enter a temperature and see conversions in all units.