Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius instantly — live results with exact temperature formulas.
Temperature uses offset formulas (not simple multiplication). Switching units keeps your input value and re-evaluates it live.
Answer
1 fahrenheit (°F) equals -17.2222222 celsius. Fahrenheit to Celsius uses an offset formula, not a single multiplier.
Quick Reference Table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 1 | -17.2222222 |
| 2 | -16.6666667 |
| 5 | -15 |
| 10 | -12.2222222 |
| 20 | -6.66666667 |
| 50 | 10 |
| 100 | 37.7777778 |
| 250 | 121.111111 |
| 500 | 260 |
| 1000 | 537.777778 |
Formula
Convert Fahrenheit (°F) to Celsius (°C) using the relationship:
°C = (°F − 32) × 5/9
How to Convert
- Take the temperature value in fahrenheit (°F).
- Apply the Fahrenheit to Celsius formula shown above.
- The result is your temperature in celsius (°C).
- Example: 1 °F = -17.2222222 °C.
Reverse Conversion
Need it the other direction? Celsius to Fahrenheit conversion.
All Temperature Conversions
See the full list of Temperature conversions.
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FAQ
▸ How many celsius are in 1 fahrenheit?
1 Fahrenheit equals -17.2222222 celsius. Fahrenheit to Celsius requires an offset formula rather than a simple multiplication.
▸ What is the formula to convert fahrenheit to celsius?
Fahrenheit to Celsius uses an offset-based temperature formula (see the Formula section). For example, Celsius to Fahrenheit is °F = °C × 9/5 + 32.
▸ How do I convert fahrenheit to celsius easily?
Enter your value in the converter at the top of this page — the celsius result updates live as you type. You can also multiply by the formula directly.