Temperature Conversion

Temperature conversion calculator for Celsius, Fahrenheit, Kelvin, Reaumur and Rankine temperature units.

In SI (International System of Units), the base temperature unit is Kelvin (K).

Temperature conversion formulas between Celsius and Fahrenheit:

Fahrenheit = Celsius * 1.8 + 32
Celsius = (Fahrenheit - 32) / 1.8

Enter a temperature unit value into the textbox below and select temperature units to convert between:
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