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Unit Converters

Temperature Converter

Convert Celsius, Fahrenheit and Kelvin with the correct offset formulas.

Temperature values

Converted value

Celsius (°C) → Fahrenheit (°F)

68

About this tool

Temperature needs an offset, not only a scale factor. Conversion goes through kelvin.

How to use

  1. Enter a temperature.
  2. Choose Celsius, Fahrenheit or Kelvin.

Formula and methodology

K = C + 273.15. C = (F − 32) × 5/9.

Worked example

20 °C = 68 °F = 293.15 K.

Frequently asked questions

Can I convert below absolute zero?+

The arithmetic will still run. Physically, kelvin should not be negative.

Guides

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