The Fahrenheit to Celsius Formula
Converting Fahrenheit to Celsius requires subtracting 32 from the Fahrenheit temperature, then multiplying by 5/9.
Conversion Formula
°C = (°F - 32) × 5/9
Or equivalently:
°C = (°F - 32) ÷ 1.8
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1 °F = 0 °C
Step-by-Step Example
Let's convert 98.6°F (human body temperature) to Celsius:
1. Start with Fahrenheit: 98.6°F 2. Subtract 32: 98.6 - 32 = 66.6 3. Multiply by 5/9: 66.6 × 0.556 = 37 4. Result: 98.6°F = 37°C
Common Fahrenheit to Celsius Conversions
Quick reference table for frequently converted temperatures:
| Fahrenheit (°F) | Celsius (°C) | Description |
|---|---|---|
| 32 | 0 | Freezing point of water |
| 50 | 10 | Cool day |
| 68 | 20 | Room temperature |
| 77 | 25 | Warm day |
| 86 | 30 | Hot day |
| 98.6 | 37 | Body temperature |
| 212 | 100 | Boiling point of water |
| 350 | 177 | Oven baking temperature |
| 400 | 204 | High oven temperature |
❓Frequently Asked Questions
72°F equals approximately 22.2°C. This is a typical comfortable room temperature.