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-40 celsiu to fahrenheit

Convert -40 Celsius to Fahrenheit — the answer, the arithmetic and the closest common values, all on one page.

-40 °F
-40 °C × 1.8 + 32 = -40 °F

Show your work

-40 °C × 1.8 + 32 = -40 °F.

Nearby conversions

°C°F
200 °C392 °F
-20 °C-4 °F

Questions

What is -40 Celsius in Fahrenheit?
-40 °C = -40 °F. The arithmetic: -40 °C × 1.8 + 32 = -40 °F.
How precise is this result?
The factor is exact by definition, so the only rounding is the display. Higher precision is available on the °C to °F converter page.
What is -40 °F in °C?
-40 °F = -40 °C — the inverse direction.

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