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Temperature Converter

Kelvin to Celsius Converter

Convert thermodynamic Kelvin (K) temperature to degrees Celsius (°C).

Temperature
(K)
Example: 298.15 K
(°C)
e.g. 25°C
Standard: 0 °C = 32 °F = 273.15 K

Enter any number above to convert Kelvins to Degrees Celsius. Click (i) for brief unit info.

Converting the other way?

Switch directly to the reverse calculator: Celsius to Kelvin Converter

Open Celsius to Kelvin Converter

How to Convert Kelvin to Celsius

Official Mathematical Formula

°C = K - 273.15

Where the input value in K is transformed using the exact standardized conversion factor to produce the output in °C.

Practical Calculation Example

You can verify this calculation directly using our interactive tool above.

Quick Conversion Reference Table (K → °C)

Kelvin (K)
Celsius (°C)
Copy
1 K-272.15 °C
2 K-271.15 °C
3 K-270.15 °C
5 K-268.15 °C
10 K-263.15 °C
15 K-258.15 °C
20 K-253.15 °C
25 K-248.15 °C
50 K-223.15 °C
75 K-198.15 °C
100 K-173.15 °C
250 K-23.15 °C
500 K226.85 °C
1000 K726.85 °C

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Celsius to Fahrenheit Converter

Convert temperature from degrees Celsius (°C) to Fahrenheit (°F) with exact thermodynamic formulas.

°F = (°C × 9/5) + 32

Fahrenheit to Celsius Converter

Convert degrees Fahrenheit (°F) to Celsius (°C) for cooking, meteorology, and science.

°C = (°F - 32) × 5/9

Kelvin to Celsius FAQs

No, 0 K is Absolute Zero, the lowest possible temperature in thermodynamics where molecular motion stops.