What is −20 °F in Celsius?

−20 °F is −28.8889 °C, or about −28.9 °C rounded.

How do you work out −20 °F to °C?

°C = (°F − 32) × 5/9: −20 − 32 = −52, then −52 × 5/9 = −28.8889.

−20 °F to °C

−20 °F = −28.9 °C

−20 degrees Fahrenheit is −28.8889 °C exactly, which rounds to −28.9 °C. In Kelvin that is 244.26 K. Hard winter cold, around the setting of a home freezer.

The working

°C = (°F − 32) × 5/9

−20 − 32 = −52
−52 × 5/9 = −28.8889

Convert a different value

Fahrenheit

°F

Celsius

°C

Kelvin

Rankine

°R

Decimals

Nearby values

°F	°C
−40 °F	−40 °C
−20 °F	−28.89 °C
−10 °F	−23.33 °C
0 °F	−17.78 °C
10 °F	−12.22 °C
20 °F	−6.67 °C
30 °F	−1.11 °C
32 °F	0 °C

Full Fahrenheit to Celsius converter · Oven temperatures