temperature conversion fahrenheit to celsius
How to convert Fahrenheit to Celsius. 0 degrees Fahrenheit is equal to -17.77778 degrees Celsius: 0 F = -17.77778 C. The temperature T in degrees Celsius (C) is equal to the temperature T in degrees Fahrenheit (F) minus 32, times 5/9: T (C) = (T (F) - 32) Ã 5/9. or. T (C) = (T (F) - 32) / (9/5).