Convert Fahrenheit (°F) to Celsius (°C) instantly. Enter any value and get the result immediately.
°F → °C Converter
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 0.1 °F | -17.72222222 °C |
| 0.5 °F | -17.5 °C |
| 1 °F | -17.22222222 °C |
| 2 °F | -16.66666667 °C |
| 5 °F | -15 °C |
| 10 °F | -12.22222222 °C |
| 20 °F | -6.66666667 °C |
| 50 °F | 10 °C |
| 100 °F | 37.77777778 °C |
| 200 °F | 93.33333333 °C |
| 500 °F | 260 °C |
| 1000 °F | 537.77777778 °C |
| 5000 °F | 2760 °C |
| 10000 °F | 5537.77777778 °C |
The formula to convert Fahrenheit (°F) to Celsius (°C) is:
Step-by-step example — Convert 98.6°F to °C:
More examples:
Fahrenheit (°F) is a temperature scale developed by German physicist Daniel Gabriel Fahrenheit in 1724. It is primarily used in the United States for everyday temperature measurement. In this scale, water freezes at 32°F and boils at 212°F at standard atmospheric pressure. Normal human body temperature is 98.6°F.
Celsius (°C) is the standard temperature unit used by most countries worldwide and in all scientific fields. Developed by Swedish astronomer Anders Celsius in 1742, it defines 0°C as the freezing point and 100°C as the boiling point of water. It is part of the metric system and is used in India, UK, Europe, and almost every country except the USA.
Exact formula can be hard to do in your head. Here is a simple approximation:
Example: 80°F → (80 − 32) ÷ 2 = 24°C (exact: 26.7°C — close enough for daily use!)
| Fahrenheit (°F) | Celsius (°C) | Reference Point |
|---|---|---|
| -40 °F | -40 °C | Both scales equal here |
| 0 °F | -17.78 °C | Severe winter cold |
| 32 °F | 0 °C | Freezing point of water |
| 50 °F | 10 °C | Cool autumn weather |
| 68 °F | 20 °C | Comfortable room temperature |
| 77 °F | 25 °C | Warm summer day |
| 98.6 °F | 37 °C | Normal body temperature |
| 100 °F | 37.78 °C | Mild fever |
| 104 °F | 40 °C | High fever / extreme heat |
| 212 °F | 100 °C | Boiling point of water |
| 350 °F | 176.67 °C | Oven baking temperature |
The formula is: °C = (°F − 32) × 5/9. Subtract 32 from the Fahrenheit value, then multiply by 5/9 (or divide by 1.8).
98.6°F = 37°C. This is the normal human body temperature. Formula: (98.6 − 32) × 5/9 = 37°C.
32°F = 0°C. This is the freezing point of water. At this temperature, liquid water turns to ice.
212°F = 100°C. This is the boiling point of water at sea level.
100°F = 37.78°C. This temperature is slightly above normal body temperature and indicates a mild fever.
-40 degrees is the only point where both scales are equal. -40°F = -40°C.
Quick trick: subtract 32, then divide by 2. Example: 72°F → (72−32)÷2 = 20°C. Exact answer is 22.2°C — but this mental shortcut is accurate enough for daily use.