Kelvin to Celsius Converter

Enter a value to calculate the result instantly and free of charge.

K
-272.15C

1 K = -272.15 C

Conversion summary

1 K = -272.15 C

Formula
Celsius = Kelvin − 273.15
Category
Temperature
Units
KC

How do you convert kelvin to celsius?

To convert kelvin to celsius, subtract 273.15. A value of 273.15 K equals 0 C.

Conversion formula

Celsius = Kelvin − 273.15

Kelvin to Celsius conversion table

KelvinCelsius
233.15 K-40 C
273.15 K0 C
293.15 K20 C
310.15 K37 C
373.15 K100 C

What is Kelvin?

Kelvin is the SI base unit of thermodynamic temperature.

Short history of Kelvin

The Kelvin scale was developed to express absolute temperature starting from absolute zero.

Open the Kelvin unit guide

What is Celsius?

Celsius is one of the most widely used temperature scales in daily and engineering practice.

Short history of Celsius

The Celsius scale became popular because it provides an intuitive reference tied to water phase-change temperatures.

Open the Celsius unit guide

Frequently asked questions

How precise are the results?

Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.

Is the Kelvin to Celsius converter free?

Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.

Sources

The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Guide for the Use of the International System of Units

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