What is 21° Fahrenheit to Celsius

To convert 21 degrees Fahrenheit to Celsius, you can use the formula:

$C = \left(F - 32\right) \times \frac{5}{9}$

Where C is the temperature in Celsius and F is the temperature in Fahrenheit, Plugging in the value.

$C = \left(21 - 32\right) \times \frac{5}{9}$

$C = \frac{-11\times 5}{9}$

$C = \frac{-55}{9}$

$C = -6.11$

So, 21° Fahrenheit is equal to -6.11° Celsius.