Formulas
| Convert | Formula |
|---|---|
| °C → °F | °F = °C × 9/5 + 32 |
| °F → °C | °C = (°F − 32) × 5/9 |
| °C → K | K = °C + 273.15 |
Key points: water freezes at 0°C (32°F), boils at 100°C (212°F); body temperature ≈ 37°C (98.6°F).
Frequently asked questions
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32. 20°C = 68°F.
What is 100°F in Celsius?
About 37.8°C.
What is absolute zero?
0 Kelvin = −273.15°C, the lowest possible temperature.