C

0 °F to °C

-17.78 °C

0 degrees Fahrenheit equals -17.7778 degrees Celsius.

How the conversion works

This one is a formula rather than a single multiplier:

°C = (°F − 32) × 5/9 → -17.7778 °C

Going the other way: convert -17.78 °C back in the full temperature converter

Convert a different temperature

°F =-17.78 °C

Open the full temperature converter for every other unit.

Nearby values

°F°C
5 °F-15 °C
10 °F-12.22 °C
15 °F-9.44 °C
18 °F-7.78 °C
20 °F-6.67 °C
21 °F-6.11 °C

Questions

What is 0 °F in °C?
0 °F is -17.78 °C (-17.7778 °C to four decimal places).
How do you convert °F to °C?
Use °C = (°F − 32) × 5/9. For 0 °F that gives -17.7778 °C.
What does 0 °F actually mean?
It sits between 5 and 21 °F; the table on this page shows how those compare.