Temperature
Celsius vs Fahrenheit vs Kelvin
Quick reference table for unit conversions with key differences.
Reference Table
| Celsius°C | Fahrenheit°F | KelvinK |
|---|---|---|
| -40 | -40 | 233.15 |
| -20 | -4 | 253.15 |
| 0 | 32 | 273.15 |
| 10 | 50 | 283.15 |
| 20 | 68 | 293.15 |
| 25 | 77 | 298.15 |
| 30 | 86 | 303.15 |
| 37 | 98.6 | 310.15 |
| 50 | 122 | 323.15 |
| 100 | 212 | 373.15 |
| 200 | 392 | 473.15 |
| 350 | 662 | 623.15 |
| 450 | 842 | 723.15 |
About These Units
°C
Celsius
Symbol: °C
Celsius (centigrade) sets 0 at the freezing point and 100 at the boiling point of water. Used in most countries worldwide.
Used in: Worldwide (except US)
°F
Fahrenheit
Symbol: °F
Fahrenheit sets 32 at the freezing point and 212 at the boiling point of water. Primarily used in the United States.
Used in: United States
K
Kelvin
Symbol: K
Kelvin is the SI unit of temperature starting at absolute zero (-273.15 C). Used in scientific research and physics.
Used in: Worldwide (science)
Key Differences
- 1 °C equals 33.8 °F.
- 1 °C equals 274.15 K.
- 1 °F equals 255.9278 K.