How do you convert fahrenheit to celsius?
To convert fahrenheit to celsius, subtract 32 and multiply the result by 5/9. A value of 32 F equals 0 C.
Celsius = (Fahrenheit − 32) × 5/9
Fahrenheit to Celsius conversion table
| Fahrenheit | Celsius |
|---|---|
| -40 F | -40 C |
| 32 F | 0 C |
| 68 F | 20 C |
| 98.6 F | 37 C |
| 212 F | 100 C |
What is Fahrenheit?
Fahrenheit is a temperature scale still widely used in the United States.
Short history of Fahrenheit
It became firmly established in Anglo-American practice and remains common in weather, household and some technical contexts.
Open the Fahrenheit unit guideWhat is Celsius?
Celsius is one of the most widely used temperature scales in daily and engineering practice.
Short history of Celsius
The Celsius scale became popular because it provides an intuitive reference tied to water phase-change temperatures.
Open the Celsius unit guideFrequently asked questions
How precise are the results?
Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.
Is the Fahrenheit to Celsius converter free?
Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.
Sources
The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.