Temperature converter
Celsius, Fahrenheit and Kelvin, with the exact formulas.
100 °C =
°F
100 degree Celsius = 212 degree Fahrenheit.
How this is calculated →100 °C in every unit
| Unit | Value |
|---|---|
| Degree Celsius | 100 °C |
| Degree Fahrenheit | 212 °F |
| Kelvin | 373.15 K |
Temperature formulas
Celsius to Fahrenheit: °F = °C × 9/5 + 32. Fahrenheit to Celsius: °C = (°F − 32) × 5/9.
Kelvin starts at absolute zero: K = °C + 273.15. Nothing can be colder than 0 K (−273.15 °C, −459.67 °F).
Example: 98.6 °F = (98.6 − 32) × 5/9 = 37 °C.
Conversion table: °C ↔ °F
| °C | °F | °F | °C |
|---|---|---|---|
| -40 °C | -40 °F | -40 °F | -40 °C |
| -20 °C | -4 °F | -20 °F | -28.8889 °C |
| -10 °C | 14 °F | -10 °F | -23.3333 °C |
| 0 °C | 32 °F | 0 °F | -17.7778 °C |
| 10 °C | 50 °F | 10 °F | -12.2222 °C |
| 20 °C | 68 °F | 20 °F | -6.66667 °C |
| 25 °C | 77 °F | 25 °F | -3.88889 °C |
| 30 °C | 86 °F | 30 °F | -1.11111 °C |
| 37 °C | 98.6 °F | 37 °F | 2.77778 °C |
| 40 °C | 104 °F | 40 °F | 4.44444 °C |
| 50 °C | 122 °F | 50 °F | 10 °C |
| 100 °C | 212 °F | 100 °F | 37.7778 °C |
Frequently asked questions
What is 0 °C in Fahrenheit?
32 °F, the freezing point of water. 100 °C (boiling at sea level) is 212 °F.
When are Celsius and Fahrenheit equal?
At −40: −40 °C = −40 °F.
Why does Kelvin have no "degrees"?
The kelvin is the SI unit of temperature and is written simply as K, without a degree sign.
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