Fahrenheit to Celsius
Convert Fahrenheit to Celsius instantly. Free, fast, and accurate.
What This Conversion Does
Converts a temperature from Fahrenheit to Celsius. Because the two scales have different zero points and different degree sizes, the formula includes both a subtraction and a multiplication: (°F − 32) × 5/9 = °C.
How to Use This Converter
Type a value in Fahrenheit into the input field. The result in Celsius appears instantly. Click the result to copy it.
Worked Example
72°F room temperature: (72 − 32) × 5/9 = 22.22°C.
Quick Reference Table
| Fahrenheit | Celsius |
|---|---|
| 0 | -17.78 |
| 32 | 0 |
| 72 | 22.22 |
| 98.6 | 37 |
| 212 | 100 |
Common Uses
Reading weather and cooking temperatures from US sources when you think in Celsius, and converting oven settings for international recipes.
Precision & Rounding
Both operations are exact; round the final result. Avoid rounding intermediate values like 5/9 to 0.55, which adds error at large temperatures.
Common Mistakes to Avoid
The most common error is forgetting the −32 offset and simply multiplying by 5/9. The offset is essential because 32°F = 0°C.
Related Glossary Terms
Formula
Example Conversions
| Fahrenheit | Celsius |
|---|---|
| 32 | 0 |
| 72 | 22.22 |
| 98.6 | 37 |
| 212 | 100 |
| 0 | -17.78 |