Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius instantly, free in your browser. Enter a temperature in °F and get the exact value in °C — no upload, no sign up.
Your result will appear here
Result
degrees Celsius (°C)
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°C = (°F − 32) × 5/9 · 212 °F = 100 °C (boiling point of water)
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How to use
- Enter a value in degrees Fahrenheit (°F) in the box above — it is already filled with 212 as an example.
- Click Convert to degrees Celsius (°C) (or just keep typing — the result updates as you type).
- Read the converted value in degrees Celsius (°C). Use Swap to convert back from degrees Celsius (°C) to degrees Fahrenheit (°F).
Frequently asked questions
What is the formula to convert degrees Fahrenheit (°F) to degrees Celsius (°C)?
°C = (°F − 32) × 5/9 . 212 °F = 100 °C (boiling point of water).
How do I convert degrees Celsius (°C) back to degrees Fahrenheit (°F)?
Use the reverse conversion: °F = °C × 9/5 + 32 . 100 °C = 212 °F (boiling point of water). Or just click the Swap button on this page — it flips the direction and converts your value back instantly.
When would I need to convert degrees Fahrenheit (°F) to degrees Celsius (°C)?
Fahrenheit is the everyday temperature scale in the United States, while Celsius is used almost everywhere else. Use this converter for weather, oven temperatures and fever readings.