Celsius to Fahrenheit

Celsius to Fahrenheit.

Convert Celsius to Fahrenheit instantly. Enter a temperature to see the result, formula, and reference chart. Values below absolute zero are rejected.

°C to °F Absolute-zero check Free to use

Temperature calculator

What’s the temperature?

68

20 °C is about 68 °F.

The conversion

The Celsius-to-Fahrenheit formula.

The scales use different zero points and degree sizes.

Formula

Multiply, then add 32

°F = (°C × 9/5) + 32

Example

Convert 20°C

(20 × 9/5) + 32 = 68°F.

Limit

Respect absolute zero

The lowest possible temperature is −273.15°C (−459.67°F).

Quick reference

Celsius to Fahrenheit chart.

Common Celsius temperatures and Fahrenheit equivalents.

CelsiusFahrenheit
133.8
541
1050
50122
100212

Celsius to Fahrenheit, explained

Good to know.

Quick answers about this temperature conversion.

How do I convert Celsius to Fahrenheit?

Multiply Celsius by 9/5, then add 32. For example, 20°C is 68°F.

What is 0°C in Fahrenheit?

Zero degrees Celsius is 32 degrees Fahrenheit.

Can I convert negative Celsius temperatures?

Yes. Negative temperatures are supported down to absolute zero, −273.15°C.