foxy
Use 3 steps
(A) add 40
(B) multiply by 5/9
(C) take away 40
Thus 65 + 40 = 105
x 5/9 = 525/9 = 58 3/9
take away 40
58 2/3 - 40 = 18 2/3 or 18.67 deg C
The same steps going backwards do deg C to deg F
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25
98 degrees Fahrenheit is equal to 36.7 degrees Celsius.
180°C is equal to 356°F.
Celsius = (5/9)(Fahrenheit - 32) 65 F is appr. 18.33 C
65 degrees Fahrenheit is equal to approximately 18.3 degrees Celsius.