Convert Fahrenheit to Celsius
1 fahrenheit equals -17.222222 celsius. Enter a value below to convert instantly.
Formula
°C = (°F − 32) × 5/9
Step by step
- Start with 1 °F.
- Apply the Fahrenheit-to-Celsius formula.
- The result is -17.222222 °C.
Fahrenheit to Celsius conversion table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 | -40 |
| -20 | -28.888889 |
| 0 | -17.777778 |
| 10 | -12.222222 |
| 20 | -6.6666667 |
| 32 | 0 |
| 37 | 2.7777778 |
| 50 | 10 |
| 98.6 | 37 |
| 100 | 37.777778 |
About the fahrenheit
The fahrenheit (°F) is a US unit of temperature.
About the celsius
The celsius (°C) is a Metric unit of temperature.
Where this conversion is used
Converting fahrenheit to celsius comes up when cooking, weather, medical readings, and science experiments. Because the scales have different zero points, you add or subtract an offset — you cannot simply multiply.
Need the other direction? Convert celsius to fahrenheit →
Related conversions
Frequently asked questions
How many celsius are in a fahrenheit?
One fahrenheit equals -17.222222 celsius.
How do you convert fahrenheit to celsius?
°C = (°F − 32) × 5/9
What is 1 celsius in fahrenheit?
One celsius equals 33.8 fahrenheit.
When would I convert fahrenheit to celsius?
This conversion is common when cooking, weather, medical readings, and science experiments.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.