Fahrenheit to Celsius Converter
Convert Fahrenheit (°F) to Celsius (°C) instantly. Enter a value below for the result, or check the quick reference table.
°F to °C quick reference
| Fahrenheit | Celsius |
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How it works
Enter a value and the result updates instantly using standard, internationally-defined conversion factors — nothing is sent to a server, so it works even offline once the page has loaded. Use the swap button to flip the units without retyping. Need a different conversion? The full unit converter covers length, weight, volume, and temperature.
Frequently asked questions
Is this free to use?
Yes. There's no sign-up and no limit on how many conversions you run.
How do I convert fahrenheit to celsius?
Enter a value in the converter above and the result updates instantly — or check the quick reference table for common amounts.
How accurate is this conversion?
Conversions use the standard temperature formulas and are precise to 6 significant figures.
Can I convert celsius back to fahrenheit?
Yes — use the swap button above, or visit the Celsius to Fahrenheit converter page directly.