Convert Fahrenheit to Celsius
Turn Fahrenheit into Celsius in an instant. Type a value below to get an accurate °F → °C result, with the formula and a quick-reference table.
1 °F = -17.222222 °C
Quick answer: 1 Fahrenheit = -17.222222 Celsius
Fahrenheit to Celsius conversion table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 1 °F | -17.222222 °C |
| 2 °F | -16.666667 °C |
| 5 °F | -15 °C |
| 10 °F | -12.222222 °C |
| 20 °F | -6.6666667 °C |
| 50 °F | 10 °C |
| 100 °F | 37.777778 °C |
| 500 °F | 260 °C |
| 1,000 °F | 537.77778 °C |
How to convert Fahrenheit to Celsius
- Enter the value in Fahrenheit in the converter above.
- It applies the exact °F → °C formula instantly.
- Read the converted result in Celsius.
For example, human body temperature is about 98.6 °F, which is 37 °C.
About Fahrenheit and Celsius
Fahrenheit is the temperature scale used mainly in the United States, with water freezing at 32° and boiling at 212°. It is used for US weather forecasts, ovens and thermostats.
Celsius is the everyday metric temperature scale, with water freezing at 0° and boiling at 100° at sea level. It is used for weather, cooking and body temperature almost everywhere outside the US.
The Fahrenheit and the Celsius are different scales, so the converter applies the exact °F → °C formula — handling any offset between them — to give an accurate result every time.
Other temperature conversions
Frequently asked questions
How many Celsius are in a Fahrenheit?
1 Fahrenheit converts to -17.222222 Celsius (°F → °C). For any other amount, enter it in the converter above — it applies the exact °F → °C formula instantly, with full precision.
How do I convert Fahrenheit to Celsius?
Enter the number of Fahrenheit in the converter above and read the result in Celsius. It applies the exact °F → °C factor instantly, with full precision.
Is the Fahrenheit to Celsius converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined temperature factors and full floating-point precision, then rounds the display to a clean, readable number.