Celsius to Kelvin Converter (°C to K)

Convert Celsius to Kelvin instantly with this free online calculator. Enter any temperature in °C and get the result in Kelvin using the exact formula.

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Celsius and Kelvin are both widely used temperature scales. Celsius is common in daily life, weather, and general measurement, while Kelvin is mainly used in science and physics. Kelvin starts at absolute zero, which is the lowest possible temperature.

Why Convert Celsius to Kelvin?

Kelvin is important in:

science experiments
chemistry and physics
lab reports
engineering calculations
academic homework

Unlike Celsius, Kelvin does not use the degree symbol. It is written as K, not °K.

Frequently asked questions

What is the formula for Celsius to Kelvin?

The formula is: K = °C + 273.15

Is Kelvin higher than Celsius?

Kelvin and Celsius have the same size interval, but Kelvin starts at absolute zero. Kelvin values are always 273.15 higher than Celsius values.

What is 0°C in Kelvin?

0°C is equal to 273.15 K.

Can Kelvin be negative?

No. Kelvin cannot be negative because 0 K is absolute zero, the lowest possible temperature.

Does Kelvin use the degree symbol?

No. Kelvin is written as K, not °K.

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