Fahrenheit to Celsius Converter
Type a value in Fahrenheit and get the answer in Celsius instantly — or convert the other way. Temperature conversion is offset-based, not a simple multiplication: the converter applies the exact formula rather than a rough factor.
Convert US temperatures to the metric scale used by the rest of the world. The exact formula is °C = (°F − 32) × 5/9. Subtract first, then multiply — doing it in the wrong order is the classic mistake.
How to use
- Type your value into the Fahrenheit box — the Celsius result updates as you type.
- To go the other direction, type into the Celsius box instead and read the Fahrenheit result.
- Copy the result with one tap, or scan the reference table below for common values.
Frequently asked questions
How do you convert Fahrenheit to Celsius?
For Fahrenheit to Celsius, use °C = (°F − 32) × 5/9. The converter above applies it exactly as you type.
How many Celsius are in one Fahrenheit?
Temperature scales don't convert by multiplication — °C to °F is °F = °C × 9/5 + 32, with an offset for the different zero points. The converter applies the exact formula for you.
Is this converter accurate for professional use?
Yes — it uses full double-precision arithmetic and the official Fahrenheit-to-Celsius factor, so results are reliable for schoolwork, cooking, fitness, travel and technical work.
Can I convert Celsius back to Fahrenheit?
Yes. The converter is two-way: just type in the second box and the first box updates instantly with the reverse conversion.