Method
Temperature scales use different zero points and intervals, so Celsius, Fahrenheit, and Kelvin require scale-specific formulas.
Converters / browser tool
Temperature Converter
Free temperature converter to convert Celsius, Fahrenheit, and Kelvin instantly.
Useful for recipes, weather, and everything in between.
Your inputs stay on your device
Convert temperature
live resultFor example, 20.
°Converted value
C to F
Choose the temperature scale you have and the scale you want to see.
Context & Reference
How it works
Calculators are most useful when their assumptions are clear. Review these details to better understand the logic behind the results.
How to use it
Enter a temperature and choose the input scale. Compare the three labelled outputs.
Understand the result
The output values represent the same temperature, with Kelvin shown as an absolute scale.
Example
20°C equals 68°F and 293.15 K.
Notes
Kelvin temperatures cannot be below absolute zero; the calculator does not describe weather or health conditions.
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