celsius to kelvin converter
Convert Celsius (°C) to Kelvin (K) for school, work, travel or projects. Enter any finite value, reverse the units, copy the result and keep the calculation on your device.
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Result
Formula
K = °C + 273.15
The converter uses the defined base unit for Temperature; temperature pairs use an offset formula. Values are rounded only for display.
Worked example
For example, 5 °C = 278.15 K. Try another value above to calculate it locally.
Common values
When this conversion is useful
Use it to compare and share Temperature values without sending the number away from your device.
Related conversions
Kelvin (K) → Celsius (°C)How to use the celsius to kelvin
- 1 Enter a value in Celsius (°C).
- 2 Check the Celsius (°C) to Kelvin (K) formula and common values table.
- 3 Copy the result or swap the units for the reverse conversion.
Frequently asked questions
What does the celsius to kelvin converter calculate?
Celsius (°C) values are converted to Kelvin (K) using the selected unit definition. Temperature uses its offset formula rather than a simple multiplication.
Does this converter upload my value?
No. The calculation runs locally in your browser, and the value is not sent to a server.
Can I convert the result back?
Yes. Use the reverse conversion link or swap the units in the converter.