Kelvin to Celsius Converter

Convert Kelvin to Celsius instantly. Enter a temperature in K and get the °C value. Free, no sign-up.

Your result will appear here.

How to use Kelvin to Celsius Converter

  1. Enter a temperature in Kelvin.
  2. Click Convert to see the Celsius value.
  3. Copy the result or convert another temperature.

Note: this tool runs in your browser. Nothing is uploaded.

Frequently Asked Questions

What is 300 K in Celsius?

300 K equals 26.85 °C. Subtract 273.15 from any Kelvin temperature to get Celsius.

What is 0 K in Celsius?

0 K (absolute zero) equals -273.15 °C — the lowest possible temperature.

What is room temperature in Kelvin?

Room temperature of about 20 °C equals 293.15 K.

Is this Kelvin to Celsius converter free?

Yes, it is 100% free with no sign-up, and it runs entirely in your browser.