−10 °F to °C
−10 °F = −23.3 °C
−10 degrees Fahrenheit is −23.3333 °C exactly, which rounds to −23.3 °C. In Kelvin that is 249.82 K. Hard winter cold, around the setting of a home freezer.
The working
°C = (°F − 32) × 5/9
- −10 − 32 = −42
- −42 × 5/9 = −23.3333
Convert a different value
°F
°C
K
°R