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Fahrenheit to Celsius Converter

C = (F - 32) x 5/9

To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9.

Conversion Formula

C = (F - 32) x 5/9

Quick Converter

Fahrenheit to Celsius Reference Table

Fahrenheit (F) Celsius (C)
0.1 F -17.722222 C
0.5 F -17.5 C
1 F -17.222222 C
2 F -16.666667 C
3 F -16.111111 C
5 F -15 C
10 F -12.222222 C
15 F -9.444444 C
20 F -6.666667 C
25 F -3.888889 C
50 F 10 C
75 F 23.888889 C
100 F 37.777778 C
150 F 65.555556 C
200 F 93.333333 C
250 F 121.111111 C
500 F 260 C
750 F 398.888889 C
1000 F 537.777778 C
5000 F 2760 C

How to Convert Fahrenheit to Celsius

To convert fahrenheit to celsius, use the formula: C = (F - 32) x 5/9. To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9.

Quick Example

77 F = (77 - 32) x 5/9 = 25 C

About the Fahrenheit to Celsius Conversion

Fahrenheit is the everyday temperature scale in the United States, while Celsius is standard almost everywhere else and throughout science. Visitors to the US and readers of American forecasts convert back to Celsius to make sense of the numbers.

Worked example: A 98.6 F body temperature is (98.6 - 32) x 5/9 = 37 C. A hot 90 F afternoon equals about 32 C.

Common Uses

In practice, converting fahrenheit to celsius comes up most often for interpreting US weather reports, checking a fever against metric references, following American oven temperatures, and reading thermostat and appliance settings.

Frequently Asked Questions

How do I convert fahrenheit to celsius? +
Use the formula: C = (F - 32) x 5/9. To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9. For example, 10 F equals -12.222222 C.
What is the conversion factor from fahrenheit to celsius? +
Fahrenheit to Celsius uses the formula C = (F - 32) x 5/9 rather than a simple multiplication factor. To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9.
How many celsius are in 10 F? +
10 F equals -12.222222 C. This is calculated using the formula C = (F - 32) x 5/9. You can verify this by checking the reference table above.
Is the fahrenheit to celsius conversion exact? +
The conversion factor is a precise approximation. For most practical purposes — cooking, construction, science, everyday measurements — the results are accurate. Rounding to 4-6 decimal places covers virtually all real-world needs.
When would I need to convert fahrenheit to celsius? +
Typical situations include interpreting US weather reports, checking a fever against metric references, following American oven temperatures, and reading thermostat and appliance settings.

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