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Kelvin to Celsius Converter (K to °C)

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How to Convert Kelvin to Celsius (K to °C)?

The conversion from Kelvin to Celsius is straightforward: one Kelvin equals one degree Celsius plus 273.15. Therefore, to perform the conversion, simply subtract 273.15 from the Kelvin value.

Formula

This formula represents the conversion from Kelvin to Celsius by subtracting 273.15 from the Kelvin value.
Celsius=Kelvin−273.15\text{Celsius} = \text{Kelvin} - 273.15

Conversion Example: Kelvin to Celsius

With these steps, you can easily convert Kelvin to Celsius without the need for a calculator. Below, we provide practical examples to better understand the process.

Example 1

Convert 300 Kelvin to Celsius.

This example shows how to convert 300 Kelvin to Celsius. To perform the conversion, simply subtract 273.15 from 300. The result is 26.85 degrees Celsius.
Celsius=300−273.15=26.85 °C\text{Celsius} = 300 - 273.15 = 26.85\,\text{°C}

Result: 300 Kelvin equals 26.85 degrees Celsius.

Example 2

Convert 250 Kelvin to Celsius.

This example shows how to convert 250 Kelvin to Celsius. To perform the conversion, subtract 273.15 from 250. The result is -23.15 degrees Celsius.
Celsius=250−273.15=−23.15 °C\text{Celsius} = 250 - 273.15 = -23.15\,\text{°C}

Result: 250 Kelvin equals -23.15 degrees Celsius.

Kelvin to Celsius Conversion Table

KelvinCelsius
223.15 K-50 °C
233.15 K-40 °C
243.15 K-30 °C
253.15 K-20 °C
263.15 K-10 °C
273.15 K0 °C
283.15 K10 °C
293.15 K20 °C
303.15 K30 °C
313.15 K40 °C
323.15 K50 °C
333.15 K60 °C
343.15 K70 °C
353.15 K80 °C
363.15 K90 °C
373.15 K100 °C

Frequently Asked Questions

How to convert Kelvin to Celsius?

The formula to convert Kelvin (K) to Celsius (C) is: C = K - 273.15. You just need to subtract 273.15 from the Kelvin value to get the equivalent in Celsius.

Is it possible to have a negative value in Kelvin?

No, the Kelvin scale starts at absolute zero (0 K) and does not allow negative values.

What is the Kelvin scale used for?

  • Science: It is the standard scale in sciences such as physics and chemistry.
  • Thermodynamic studies: Kelvin is ideal for working with gases and thermodynamic laws.
  • Astronomy: To measure extreme temperatures in space.

What is the difference between the Kelvin and Celsius scales?

  • Kelvin: It is an absolute scale that starts at absolute zero (0 K) and has no negative values.
  • Celsius: It is a relative scale used in everyday life, where 0 °C represents the freezing point of water and 100 °C the boiling point under normal conditions.

Cite this page

You can use the following citation format when referencing this calculator in academic or professional work.

Ramos, J., Kelvin to celsius converter (k to °c), Available at: https://calcuclub.com/convert/kelvin-to-celsius/ (Accessed: 27 November 2025).

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