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Convert F to C (Fahrenheit to Celsius )
Online Conversion Calculator


This converter provides online conversion of Fahrenheit to Celsius and Celsius to Fahrenheit (F to C and C to F conversion).


Enter F or C for conversion:                         

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Conversion Table Conversion Table
-30 F = -34.444 C
-20 = -28.889
-10 = -23.333
  0 = -17.778
10 = -12.222
20 = -6.667
30 = -1.111
40 = 4.444
50 = 10
60 =15.556
70 = 21.111
80 = 26.667
90 = 32.222
100 = 37.778
  -30 C = -22 F
-20 = -4
-10 = 14
  0 = 32
10 = 50
20 = 68
30 = 86
40 = 104
50 = 122
60 = 140
70 = 158
80 = 176
90 = 194
100 = 212

On the Celsius scale, the freezing and boiling points of water are exactly 100 degrees apart, thus the unit of this scale, a degree Fahrenheit, is 5/9 of a degree Celsius. Negative 40 degrees Fahrenheit is equal to negative 40 degrees Celsius.
Fahrenheit is a temperature scale named after the German physicist Daniel Gabriel Fahrenheit (16861736), who proposed it in 1724. In this scale, the freezing point of water is 32 degrees Fahrenheit (written "32 F"), and the boiling point is 212 degrees, placing the boiling and freezing points of water exactly 180 degrees apart.

 


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