The Celsius scale (°C) is used worldwide in science and by most countries. The Fahrenheit scale (°F) is primarily used in the United States.
| Celsius (°C) | Fahrenheit (°F) | Reference |
|---|---|---|
| −40 | −40 | Both scales equal at this point |
| 0 | 32 | Freezing point of water |
| 20 | 68 | Room temperature |
| 37 | 98.6 | Normal body temperature |
| 100 | 212 | Boiling point of water |