Temperature Converter

Convert temperature between Celsius, Fahrenheit and Kelvin with the exact formulas.

°F = (°C × 9/5) + 32

Frequently asked questions

How accurate is this temperature converter?

It uses the exact defined conversion factors for each unit and shows results to 10 significant digits. Celsius and Kelvin differ by exactly 273.15. A Fahrenheit degree is 5/9 of a Celsius degree and 32 °F is the freezing point of water (0 °C).

How do I convert Celsius to Fahrenheit?

Enter the value, choose Celsius in the "From" list and Fahrenheit in the "To" list. For example, 1 degree Celsius equals 33.8 °F.

Is the converter free?

Yes. It is free, needs no sign-up and runs entirely in your browser, so it also works offline once the page has loaded.

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