Convert Fahrenheit to Celsius
1 Fahrenheit (°F) = -40 Celsius (°C). Use the free converter below to instantly convert any fahrenheit value to celsius, or view the full conversion table and formula.
1 °F = -40 °C
Fahrenheit to Celsius Conversion Table
How to Convert Fahrenheit to Celsius
To convert Fahrenheit to Celsius, subtract 32 from the Fahrenheit temperature and then multiply by 5/9 (or divide by 1.8). For example, 98.6°F: (98.6 − 32) × 5/9 = 66.6 × 0.5556 = 37°C.
Fahrenheit to Celsius Examples
-40 °F is equal to -40 °C. Using the formula (°F − 32) × 5/9, -40 °F converts to -40 °C.
0 °F is equal to -17.78 °C. Using the formula (°F − 32) × 5/9, 0 °F converts to -17.78 °C.
32 °F is equal to 0 °C. Using the formula (°F − 32) × 5/9, 32 °F converts to 0 °C.
40 °F is equal to 4.44 °C. Using the formula (°F − 32) × 5/9, 40 °F converts to 4.44 °C.
50 °F is equal to 10 °C. Using the formula (°F − 32) × 5/9, 50 °F converts to 10 °C.
Fahrenheit to Celsius FAQ
What is 72°F in Celsius?
72°F equals approximately 22.22°C. This is a common comfortable room temperature.
What is the boiling point of water in both scales?
Water boils at 100°C or 212°F at standard atmospheric pressure.