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Temperature Converter

Instantly convert between Celsius, Fahrenheit, Kelvin, and Rankine.

Celsius (°C)

Fahrenheit (°F)

Kelvin (K)

Rankine (°Ra)

Reference: Water freezes at 0°C / 32°F | Boils at 100°C / 212°F | Absolute zero: -273.15°C / 0K

Temperature Converter — Frequently Asked Questions

Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly as you type.

Multiply the Celsius value by 9/5 and add 32. This tool does it automatically and updates all units at once.

Yes, conversion runs in your browser, so it is instant and private.