Temperature calculator

Celsius to Kelvin Converter

Convert celsius (c) to kelvin (k) with the exact temperature formula, worked examples, and a common-values table.

Exact conversion

Celsius to kelvin formula

k = (c × 1) + 273.15

1 c equals 274.15 k. 10 c equals 283.15 k.

About these units

c
Degrees Celsius.
k
Kelvin, an absolute temperature scale.
Browse temperature convertersReverse conversion

Common c to k values

ck
-40 c233.15 k
0 c273.15 k
20 c293.15 k
100 c373.15 k

Formula

Celsius to kelvin formula

k = (c × 1) + 273.15

1 c equals 274.15 k. 10 c equals 283.15 k.

Temperature guide

How to use the Celsius to Kelvin Converter

Convert celsius (c) to kelvin (k) with the exact temperature formula, worked examples, and a common-values table. The page also explains the celsius to kelvin formula and shows a practical example: 1 c equals 274.15 k. 10 c equals 283.15 k.

  1. 1

    Enter your details

    Enter the source value, then choose the units or values you want to convert.

  2. 2

    Check the calculation

    Review the result alongside the celsius to kelvin formula: k = (c × 1) + 273.15.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the celsius to Kelvin Converter result before you use the estimate.

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