Kelvin to Celsius converter

Convert K to °C instantly. Type any value and get the result in celsius. 1 K = -272.15 °C.

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Temperature›K → °C

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1 K=

-272.15°C

formula1 K = -272.15 °C

Common kelvin → celsius

table

	=	-272.15 °C
	=	-271.15 °C
	=	-268.15 °C
	=	-263.15 °C
	=	-253.15 °C
	=	-223.15 °C
	=	-173.15 °C
	=	226.85 °C
	=	726.85 °C

Need a different value? .

Convert the other way

Celsius to Kelvin

How to convert kelvin to celsius

The conversion from Kelvin to Celsius uses the formula below. Unlike length or weight, temperature scales don’t share a zero point, so you can’t just multiply.

Formula

°C = K − 273.15

For example:

→5 K = -268.15 °C
→100 K = -173.15 °C

Quick reference

▸1 K = -272.15 °C
▸1 °C = 274.15 K

When you need to convert K to °C

·Cooking — oven temperatures, candy stages, sous-vide setpoints.
·Weather — daily forecasts in different countries.
·Health — body temperature and fever thresholds.
·Science — converting lab measurements between scales.
·Travel — knowing what to pack for the climate.

Frequently asked

How many celsius are in 1 kelvin?

These units don’t convert by a flat ratio, but 1 K corresponds to -272.15 °C via the formula °C = K − 273.15.

How do I convert K to °C in my head?

Use the formula °C = K − 273.15 — there’s no single multiplier.

What is the formula for kelvin to celsius?

°C = K − 273.15.

What is the reverse — how many kelvin in 1 celsiu?

1 °C corresponds to 274.15 K via the reverse formula.

Related conversions

Fahrenheit to Celsius

1 °F = -17.2222 °C

Rankine to Celsius

1 °R = -272.594 °C

Celsius to Fahrenheit

1 °C = 33.8 °F

Celsius to Rankine

1 °C = 493.47 °R

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