Temperature

Convert k to c

Convert Kelvin (K) to Celsius (°C) instantly.

From

Formula

value - 273.15

Sample	Converted
-40 K	-313.15 °C
0 K	-273.15 °C
25 K	-248.15 °C
100 K	-173.15 °C
300 K	26.85 °C

About K to °C

This conversion scales values from a smaller temperature unit to a larger one. That usually decreases the numeric value when going from K to °C.

Kelvin

Definition: Kelvin (K) is the SI base unit of thermodynamic temperature.

History/Origin: Kelvin was established for absolute temperature measurement and is central to physics and chemistry.

Current use: Kelvin is used in scientific calculations, materials research, and color temperature specifications.

Celsius

Definition: Celsius (°C) is a temperature scale where water freezes near 0 °C and boils near 100 °C at standard pressure.

History/Origin: The Celsius scale evolved from the centigrade concept and is the standard in science and most countries.

Current use: Celsius is used in weather reports, industrial control systems, and scientific measurements.

Kelvin to Celsius Conversion Table

Kelvin [K]	Celsius [°C]
-40 K	-313.15 °C
0 K	-273.15 °C
10 K	-263.15 °C
25 K	-248.15 °C
37 K	-236.15 °C
100 K	-173.15 °C

How to Convert Kelvin to Celsius

1 K = -272.15 °C

1 °C = 274.15 K

Formula: value - 273.15

Example: 25 K = -248.15 °C

Start with the value in Kelvin (K).
Apply this temperature equation: value - 273.15.
The output is the equivalent value in Celsius (°C).

Common Use Cases for K to °C

Convert K to °C when sharing temperature values across teams that use different unit standards.
Use this direction in spreadsheets and automation flows where inputs are recorded in K but reporting is required in °C.
Apply the K → °C conversion when validating supplier, lab, or field values against your internal benchmarks.

FAQ

Is K to °C the same as °C to K?

No. They are inverse operations. For this page, 1 K equals -272.15 °C, while 1 °C equals 274.15 K.

What is the fastest way to estimate K to °C?

Use the exact formula on this page for reliable estimates, because temperature conversions use offset-based equations rather than a simple scale factor.

More k conversions

k to f

Sample

Converted

-40 K

-313.15 °C

0 K

-273.15 °C

25 K

-248.15 °C

100 K

-173.15 °C

300 K

26.85 °C

Kelvin

Definition: Kelvin (K) is the SI base unit of thermodynamic temperature.

History/Origin: Kelvin was established for absolute temperature measurement and is central to physics and chemistry.

Current use: Kelvin is used in scientific calculations, materials research, and color temperature specifications.

Celsius

Definition: Celsius (°C) is a temperature scale where water freezes near 0 °C and boils near 100 °C at standard pressure.

History/Origin: The Celsius scale evolved from the centigrade concept and is the standard in science and most countries.

Current use: Celsius is used in weather reports, industrial control systems, and scientific measurements.

Kelvin [K]

Celsius [°C]

-40 K

-313.15 °C

0 K

-273.15 °C

10 K

-263.15 °C

25 K

-248.15 °C

37 K

-236.15 °C

100 K

-173.15 °C

Common Use Cases for K to °C

Convert K to °C when sharing temperature values across teams that use different unit standards.

Use this direction in spreadsheets and automation flows where inputs are recorded in K but reporting is required in °C.

Apply the K → °C conversion when validating supplier, lab, or field values against your internal benchmarks.

FAQ

Is K to °C the same as °C to K?

No. They are inverse operations. For this page, 1 K equals -272.15 °C, while 1 °C equals 274.15 K.

What is the fastest way to estimate K to °C?

Use the exact formula on this page for reliable estimates, because temperature conversions use offset-based equations rather than a simple scale factor.