Fahrenheit to Celsius

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f
c
1 f = — c

Quick reference

Fahrenheit (f)Celsius (c)

Formula

°C = (°F − 32) × 5/9

Subtract 32 from Fahrenheit then multiply by 5/9. For example, (68°F − 32) × 5/9 = 20°C.

About this conversion

The Fahrenheit scale (°F) is used primarily in the United States. Learn more →

The Celsius scale (°C) is the standard temperature scale used in most countries. Learn more →

Source: NIST International Reference