Temperature Converter
Convert Celsius to Fahrenheit, Fahrenheit to Celsius, Kelvin and Rankine. Includes formulas and a reference table.
Formula: °F = °C × 9/5 + 32 · K = °C + 273.15 · °R = (°C + 273.15) × 9/5
All scales
| Scale | Value | Copy |
|---|---|---|
| Celsius°C | 100 | |
| Fahrenheit°F | 212 | |
| KelvinK | 373.15 | |
| Rankine°R | 671.67 |
Reference points
| Point | °C | °F | K | °R |
|---|---|---|---|---|
| Freezing (water) | 0 | 32 | 273.15 | 491.67 |
| Room temperature | 22 | 71.6 | 295.15 | 531.27 |
| Body temperature | 37 | 98.6 | 310.15 | 558.27 |
| Boiling (water, sea level) | 100 | 212 | 373.15 | 671.67 |
Frequently asked questions
What is 37°C in Fahrenheit?
37°C equals 98.6°F — average human body temperature.
At what temperature are Celsius and Fahrenheit the same?
−40°C equals −40°F. It's the one point where the two scales meet.
How do you convert Celsius to Fahrenheit?
Multiply Celsius by 9/5, then add 32: °F = °C × 9/5 + 32.