This free temperature converter helps you convert popular units like Celsius to Fahrenheit, Fahrenheit to Celsius, C to K and Kelvin to Celsius in seconds. It supports Celsius, Fahrenheit and Kelvin, making it useful for weather, science, cooking, schoolwork and everyday temperature conversions.

What units does this temperature converter support?

This temperature converter supports Celsius, Fahrenheit and Kelvin. You can convert in any direction, such as Celsius to Fahrenheit, Fahrenheit to Celsius, C to K and K to C.

How do I convert Celsius to Fahrenheit?

To convert Celsius to Fahrenheit, use the formula (°C × 9/5) + 32. This tool calculates it instantly and also handles conversions with Kelvin.

How do I convert Fahrenheit to Celsius?

To convert Fahrenheit to Celsius, use the formula (°F − 32) × 5/9. You can also use the Swap button to reverse the direction instantly.

What is Kelvin used for?

Kelvin is commonly used in science and engineering. Unlike Celsius and Fahrenheit, Kelvin starts at absolute zero and does not use the degree symbol.