How many degrees Celsius are in 21 degrees Fahrenheit?

the answer:

21 degrees Fahrenheit is -6.11 degrees Celsius
21 °F = -6.11 °C

How to convert 21 degrees Fahrenheit to Celsius using the formula?

The formula for converting degrees Fahrenheit to degrees Celsius:

Conversion Formula (wikimedia)

Let's calculate the degrees Celsius for 21 degrees Fahrenheit using this formula:

(21 - 32) * 5 / 9
=
-11 * 5 / 9
=
-55 / 9
=
-6.11

Alex Fedorov
Created by Alex Fedorov
Last updated : February 11, 2025