How do I use the Temperature Converter?

Enter the temperature value you want to convert. Choose the original unit such as Celsius, Fahrenheit, or Kelvin. Read the converted values instantly to compare temperatures across all supported scales.

Is the Temperature Converter free?

Yes, the Temperature Converter is completely free. It runs entirely in your browser with no signup, no download, and no data sent to any server.

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Temperature Converter

Convert temperatures between Celsius, Fahrenheit, and Kelvin with live updates and helpful reference formulas.

temperature convertercelsius to fahrenheitfahrenheit to celsiuskelvin converter30 celsius to fahrenheit

°C °F K

Formula

°F = (°C × 9 / 5) + 32 · K = °C + 273.15

Type in any field to update the other temperature units instantly.

Quick reference

Common conversions

Reference point	°C	°F	K
Absolute zero	-273.15	-459.67	0
Water freezes	0	32	273.15
Body temperature	37	98.6	310.15
Water boils	100	212	373.15
-40 crossover	-40	-40	233.15

How to use

How to Use the Temperature Converter

1 Enter the temperature value you want to convert.
2 Choose the original unit such as Celsius, Fahrenheit, or Kelvin.
3 Read the converted values instantly to compare temperatures across all supported scales.

The Temperature Converter quickly changes values between Celsius, Fahrenheit, and Kelvin with live results. It is a convenient temperature converter for cooking, science, weather checks, and school assignments.

Whether you need Celsius to Fahrenheit conversion, Fahrenheit to Celsius conversion, or a Kelvin converter for lab work, this tool gives fast and accurate results directly in your browser.

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