Unit Converter

-40 Fahrenheit to Celsius

=
-40 °F = -40 °C

Fahrenheit to Celsius Conversion Formula

°C = (°F − 32) × 59

-40 Fahrenheit to Celsius Conversion breakdown and explanation

Following the formula above if you want to get degrees Celsius you have to subtract 32 from degrees Fahrenheit multiply the result by 5 and divide it by 9.

So in case with -40 we have: ((-40 - 32) × 5) ÷ 9 = (-72 × 5) ÷ 9 = -360 ÷ 9 = -40 °C

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