10 degrees Fahrenheit are equal to -12.22 degrees Celsius:
10ºF = -12.22ºC
Calculation
The temperature T in degrees Celsius (ºC) is equal to 10 degrees Fahrenheit (ºF) minus 32 times 5/9:
T(ºC) = (10ºF - 32) × 5/9 = -12.22ºC