Celsius to Fahrenheit
Type a value in degrees Celsius and see it in degrees Fahrenheit and every other unit
Celsius
↑ ↓ step by 1 · Shift × 10 · Alt × 0.1 · or type the unit, e.g. 25 °C, 98.6 F or 300 K
°C
°F
K
≈ room temperature
Room temperature
20 °CBody temperature
37 °CConversions
Decimals
Everyday
Celsius
Input
Fahrenheit
Scientific
Kelvin
°C to °F
0 °C = 32 °F · 100 °C = 212 °F
Formula: °F = °C × 9/5 + 32
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| -10 °C | 14 °F |
| 0 °C | 32 °F |
| 10 °C | 50 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 40 °C | 104 °F |
| 100 °C | 212 °F |
How to convert Celsius to Fahrenheit
- Type the temperature in degrees Celsius; it's shown in Fahrenheit, Kelvin and the other scales as you type.
- Read the formula below, or look up a common temperature in the table.
- Click a value to copy it.
Questions
What is the formula for Celsius to Fahrenheit?
Multiply by 9/5 (1.8) and add 32: 20 °C × 1.8 + 32 = 68 °F.
What's a quick way to estimate it?
Double the Celsius and add 30: 20 °C → 70 °F (exactly 68). It's close for everyday weather.
What is 37 °C in Fahrenheit?
98.6 °F, normal body temperature.
When are Celsius and Fahrenheit the same?
At −40: −40 °C is −40 °F.