Fahrenheit to Celsius Converter
Convert °F to °C instantly. Shows Celsius, Fahrenheit, and Kelvin simultaneously. Includes common reference temperatures. Free and accurate.
Formula: °C = (°F − 32) × 5/9
Fahrenheit to Celsius Reference Table
| Description | Fahrenheit (°F) | Celsius (°C) |
|---|---|---|
| Absolute zero | -459.67 | -273.15 |
| Water freezes | 32 | 0 |
| Cool day | 50 | 10 |
| Room temperature | 72 | 22.2 |
| Body temperature | 98.6 | 37 |
| Hot summer day | 104 | 40 |
| Water boils | 212 | 100 |
| Baking temperature | 356 | 180 |
The Fahrenheit to Celsius Formula Explained
The formula is: °C = (°F − 32) × 5/9
Step-by-step for 98.6°F: Subtract 32: 98.6 − 32 = 66.6. Multiply by 5: 66.6 × 5 = 333. Divide by 9: 333 ÷ 9 = 37°C.
Quick estimate trick: Subtract 32, divide by 2. This gives results within about 10% accuracy for everyday use. For exact values, use the formula or this converter.
Frequently Asked Questions
What is the formula to convert Fahrenheit to Celsius?
°C = (°F − 32) × 5/9. Example: 32°F = (32−32) × 5/9 = 0°C.
What is 98.6°F in Celsius?
98.6°F = 37°C — normal human body temperature.
At what temperature are Fahrenheit and Celsius equal?
They are equal at -40°. So -40°F = -40°C.