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Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin instantly.
How it works
Fahrenheit = Celsius × 9/5 + 32. Kelvin = Celsius + 273.15. Enter a value, choose the scale it is in, and both other scales appear.
Worked example
A weather report says 72°F. Enter 72 and choose Fahrenheit. It is 22.22 °C, or 295.37 K. The formula is (72 − 32) × 5/9.
Tips
- Quick mental trick: subtract 30 from °F and halve it for a rough °C.
- Kelvin has no degree sign and is used in science.
- Oven recipes often list both scales, so check which one you are reading.
Frequently asked questions
What is 100°C in Fahrenheit?
212°F, the boiling point of water at sea level.
What is absolute zero?
0 K, which is −273.15°C or −459.67°F. Nothing can be colder.
At what temperature are Celsius and Fahrenheit equal?
At −40. It reads the same on both scales.
What is normal body temperature?
About 37°C or 98.6°F.
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