Fahrenheit to Celsius Converter
Convert fahrenheit to celsius instantly with a local, precise conversion. Enter decimals, zero, negative values where meaningful, or scientific notation.
How to convert fahrenheit to celsius
1 °F = -17.2222222222 °C. Convert through celsius.
Worked examples
-20 °F equals -28.8888888889 °C. Enter any valid finite value above for an immediate result.
Fahrenheit to Celsius conversion table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 °F | -40 °C |
| -20 °F | -28.8888888889 °C |
| 0 °F | -17.7777777778 °C |
| 10 °F | -12.2222222222 °C |
| 20 °F | -6.66666666667 °C |
| 25 °F | -3.88888888889 °C |
| 30 °F | -1.11111111111 °C |
| 37 °F | 2.77777777778 °C |
| 40 °F | 4.44444444444 °C |
| 100 °F | 37.7777777778 °C |
Reverse conversion: Celsius to Fahrenheit Converter
Frequently asked questions
How do I convert fahrenheit to celsius?
1 °F = -17.2222222222 °C. Convert through celsius.
Can I enter decimals or scientific notation?
Yes. The converter accepts decimals, grouped numbers and scientific notation, then formats the result without changing the underlying calculation.
Is this conversion performed online?
The page is delivered by the website, but the value conversion itself runs locally in your browser and is not submitted to a calculation service.