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How do you convert degrees Fahrenheit to degrees Celsius and vice versa?

In: Units of Measure, Temperature

Answer:

Converting Fahrenheit and Celsius

To go from Fahrenheit to Celsius:

Begin by subtracting 32 from the Fahrenheit number.
Divide the answer by 9.
Then multiply that answer by 5.

For example- if it is 70 degrees F outside, and you want to know the temperature in C:

70 - 32 = 38
38 / 9 = 4.2
4.2 x 5 = 21.1

It is about 21 degrees Celsius outside

To go from Celsius to Fahrenheit:

Begin by multiplying the Celsius temperature by 9.
Divide the answer by 5.
Now add 32.

*see related links below for an automatic converter.

The algebraic formulas for these conversions are:

F = 9 / 5 C + 32
C = 5 / 9 (F - 32)

These formulas can be easily worked out by remembering:
0° C = 32° F and
100° C = 212° F

Converting Kelvin and Celsius: To go from Celsius to Kelvin: add 273.15

To go from Kelvin to Celsius: subtract 273.15

To convert Kelvin to Fahrenheit, first convert to Celsius, then convert to Fahrenheit using the instructions above.

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C.Hainsaw

First answer by ID2033053534. Last edit by JEK. Contributor trust: 2959 [recommend contributor ]. Question popularity: 327 [recommend question].

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