Kelvin to Celsius Converter

Convert any temperature from Kelvin (K) to Celsius (°C). Uses the formula °C = K − 273.15.

Kelvin (K)

Celsius (°C)

← Convert °C to K

Formula

°C = K − 273.15

How to Convert Kelvin to Celsius

Subtract 273.15 from the temperature in Kelvin to get the equivalent in Celsius.

Example: Convert 300 K to Celsius
°C = 300 − 273.15 = 26.85°C

Conversion Table

K	°C
0 K	-273.15°C
233.15 K	-40°C
273.15 K	0°C
293.15 K	20°C
298.15 K	25°C
310.15 K	37°C
373.15 K	100°C
473.15 K	200°C

Key Reference Points

Absolute zero: 0 K = −273.15°C
Water freezes: 273.15 K = 0°C
Water boils: 373.15 K = 100°C
Room temperature: ~293.15 K = 20°C

Related Converters

Celsius to Kelvin Fahrenheit to Celsius Kelvin to Fahrenheit

Last updated: 2025