Learn how to convert temperature from Fahrenheit to Celsius using the formula , °C = (°F - 32) × 5/9. See examples, a chart of common conversions, and the derivation of the formula . Learn the formula for converting Fahrenheit (F) to Celsius (C): C = 5/9 x (F-32). See examples, shortcuts, and a conversion table for common temperatures. To convert Fahrenheit to Celsius, the formula used is °C = 5/9 (°F - 32) . Using Fahrenheit to Celsius formula (F to C formula), the temperature in Fahrenheit can easily be converted into Celsius. The Celsius to Fahrenheit conversion is added in the image below: Example: Convert 80 Fahrenheit to Celsius. Given Temperature = 80 °F. See how to convert Fahrenheit to Celsius temperatures. Get the formula and see example problems. Then do the conversion the other way.