Kelvin to Celsius

Convert Kelvin to Celsius instantly. °C = K − 273.15

293.15 K = 20 °CFormula: °C = K − 273.15

Quick answers

0 K = -273.15 °C
273.15 K = 0 °C
293.15 K = 20 °C
310.15 K = 37 °C
373.15 K = 100 °C

Kelvin to Celsius conversion table

Kelvin (K)	Celsius (°C)
0 K	-273.15 °C
100 K	-173.15 °C
200 K	-73.15 °C
250 K	-23.15 °C
273.15 K	0 °C
283.15 K	10 °C

Kelvin (K)	Celsius (°C)
293.15 K	20 °C
300 K	26.85 °C
310.15 K	37 °C
373.15 K	100 °C
500 K	226.85 °C
1,000 K	726.85 °C

Fixed points

Absolute zero0 K equals -273.15 °C
Water freezes273.15 K equals 0 °C
Room temperature293.15 K equals 20 °C
Body temperature (about)310.15 K equals 37 °C
Water boils at sea level373.15 K equals 100 °C

Conversion formula

°C = K − 273.15

Example: 293.15 K = 20 °C

The kelvin is the SI unit of temperature; 0 K is absolute zero, −273.15 °C. On the Celsius scale water freezes at 0 °C and boils at 100 °C at sea level.

You may also see this conversion written as “kelvin to C”.

Questions

How do you convert Kelvin to Celsius?

Use °C = K − 273.15. It is not a single multiplication, because the two scales have different zero points.

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Updated 26 September 2026