To convert Celsius to Fahrenheit, multiply by 9, divide by 5, and add 32. To convert Fahrenheit to Celsius, subtract 32, multiply by 5, and divide by 9. The table below lists some conversions from Fahrenheit to Celsius, rounded off to the nearest whole number.

0 degrees F	-18 Degrees C
10 Degrees F	-12 Degrees C
25 Degrees F	-4 Degrees C
30 Degress F	0 Degrees C
50 Degrees F	10 Degrees C
68 Degrees F	20 Degrees C
100 Degrees F	38 Degrees C
212 Degrees F	100 Degrees C