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# Converting Fahrenheit to Celsius

## Worked Temperature Unit Conversion Example

Fahrenheit and Celsius temperatures are the same at -40 degrees.

Nine OK, Getty Images

This example problem illustrates the method to convert temperatures from Celsius to Fahrenheit.

Problem:

What is the temperature in Celsius of 77 °F?

Solution:

The conversion formula for °F to °C is

TC = 5/9(TF - 32)

TC = 5/9(77 - 32)
TC = 5/9(45)
TC = 25 °C

Answer:

The temperature in Fahrenheit of 77 °F is 25 °C.

Temperature Conversion Formulas

##### Suggested Reading

Anne Marie Helmenstine, Ph.D.
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