# Celsius to Fahrenheit

°C to °F in one step.

URL: https://shortformkit.com/celsius-to-fahrenheit/
Updated: 2026-10-13

A quick mental shortcut: double the Celsius value and add 30. It is close for everyday temperatures.

**Formula:** °F = °C × 9/5 + 32

## Common values

| °C (Celsius) | °F (Fahrenheit) |
|---|---|
| -40 °C (Celsius) | -40 °F (Fahrenheit) |
| -20 °C (Celsius) | -4 °F (Fahrenheit) |
| -10 °C (Celsius) | 14 °F (Fahrenheit) |
| 0 °C (Celsius) | 32 °F (Fahrenheit) |
| 10 °C (Celsius) | 50 °F (Fahrenheit) |
| 20 °C (Celsius) | 68 °F (Fahrenheit) |
| 25 °C (Celsius) | 77 °F (Fahrenheit) |
| 30 °C (Celsius) | 86 °F (Fahrenheit) |
| 37 °C (Celsius) | 98.6 °F (Fahrenheit) |
| 40 °C (Celsius) | 104 °F (Fahrenheit) |
| 100 °C (Celsius) | 212 °F (Fahrenheit) |

Results are estimates for general information, not medical or financial advice.

## How it works

1. **Enter your values** The result updates as you type.
2. **Switch units if needed** Metric or US units, where it applies.
3. **Read the result** Nothing is stored or sent anywhere.

## FAQ

**Is it free?**
Yes. No account, no limits.

**Is my data stored?**
No. The calculation happens in your browser and nothing is sent to a server.


Source: Shortform Kit (https://shortformkit.com/celsius-to-fahrenheit/). Free, no login.