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Temperature Converter

Convert Celsius to Fahrenheit, Fahrenheit to Celsius, Kelvin and Rankine.

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How to use the Temperature Converter

  1. 1

    Enter a temperature.

  2. 2

    Choose the scales to convert between.

  3. 3

    Read the result and the conversion formula.

Frequently asked questions

How do I convert Celsius to Fahrenheit?

°F = °C × 1.8 + 32. For example, 20 °C is 68 °F.

What is absolute zero?

−273.15 °C, 0 K or −459.67 °F. The converter won't accept lower temperatures.