1 °F = -17.22222222 °C. Enter any value below to convert degrees Fahrenheit to degrees Celsius instantly, or use the temperature converter for every other unit.
°C = (°F − 32) × 5/9 1 °C = 33.8 °F (temperature scales have offsets, so this is a single point, not a factor)
Converted value
1 °F = −17.22222222 °C1 °F = -17.22222222 °C
°F = °C × 9/5 + 32 K = °C + 273.15
Result in Celsius (°C)
−17.22222222
Common temperature conversions
−40 °C
−40 °F
0 °C
32 °F
20 °C
68 °F
37 °C
98.6 °F
100 °C
212 °F
32 °F
0 °C
98.6 °F
37 °C
0 K
−273.15 °C
Fahrenheit to Celsius conversion table
Fahrenheit to Celsius
Fahrenheit (°F)
Celsius (°C)
-40 °F
-40 °C
0 °F
-17.77777778 °C
32 °F
0 °C
50 °F
10 °C
68 °F
20 °C
98.6 °F
37 °C
212 °F
100 °C
350 °F
176.6666667 °C
400 °F
204.4444444 °C
450 °F
232.2222222 °C
The formula
°C = (°F − 32) × 5/9
°F = °C × 9/5 + 32. K = °C + 273.15. These are exact definitions, so the only rounding is in the displayed result (10 significant digits).
When you need it
Fahrenheit to Celsius is the conversion for US weather, body temperature and oven settings when you share recipes abroad. Subtract 32, then multiply by 5/9. The table includes freezing (32 °F), normal body temperature (98.6 °F), boiling (212 °F) and common oven settings.