Temperature Converter
Convert Celsius, Fahrenheit, Kelvin and Rankine instantly.
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Temperature conversion formulas
°C to °F: multiply by 9/5 then add 32. °F to °C: subtract 32 then multiply by 5/9. Celsius to Kelvin: add 273.15. Kelvin to Celsius: subtract 273.15.
Key reference temperatures
Water freezes at 0°C / 32°F / 273.15K. Water boils at 100°C / 212°F / 373.15K. Normal body temperature is approximately 37°C / 98.6°F. Absolute zero is 0K / −273.15°C / −459.67°F.