Instant conversion

Fahrenheit to Celsius Converter

°C = (°F - 32) × 5/9. Subtract 32 from Fahrenheit, then multiply by 5/9.

-40 c

Common f to c conversions

fc
-40-40
0-17.78
14-10
320
5010
6820
7021.11
7725
8630
98.637
10440
212100

How this conversion works

°C = (°F - 32) × 5/9. Subtract 32 from Fahrenheit, then multiply by 5/9.

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Frequently asked questions

How do you convert Fahrenheit to Celsius?

Subtract 32 from Fahrenheit, then multiply by 5/9: °C = (°F - 32) × 5/9.

What is 32°F in Celsius?

32°F is 0°C, the freezing point of water at standard pressure.

Can I use a simple factor for Fahrenheit to Celsius?

No. Fahrenheit to Celsius includes an offset, so a single multiplication factor is not correct.