Free temperature converter. Convert Celsius, Fahrenheit, and Kelvin instantly with formulas shown.
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Temperature Converter
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Formula
Formula
°F = (°C × 9/5) + 32 | K = °C + 273.15
Celsius to Fahrenheit: multiply by 9/5 then add 32. Fahrenheit to Celsius: subtract 32 then multiply by 5/9. Kelvin = Celsius + 273.15. Absolute zero = 0 K = -273.15°C.
Frequently Asked Questions
How do I convert Celsius to Fahrenheit?+
Multiply by 9/5 (or 1.8) then add 32. Example: 100°C × 1.8 + 32 = 212°F.
What is 37°C in Fahrenheit?+
37°C × 1.8 + 32 = 98.6°F — normal body temperature.
What is absolute zero?+
Absolute zero is 0 Kelvin = -273.15°C = -459.67°F. It is the lowest possible temperature where atomic motion stops.