Celsius to Kelvin Converter
Convert temperature from Celsius to Kelvin instantly. Useful for science, weather references, and absolute temperature comparisons.
Negative Celsius values are allowed. Kelvin output cannot go below 0 K.
Result will appear here.
| Reference | Value |
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Privacy: runs locally in your browser. No inputs are stored or transmitted.
How it works
Uses the standard conversion: K = °C + 273.15.
Reverse formula: °C = K − 273.15
Examples
- 0°C = 273.15 K
- 25°C = 298.15 K
- 100°C = 373.15 K
FAQ
- How do you convert Celsius to Kelvin?
Use the formula K = °C + 273.15.
- Can Kelvin ever be negative?
No. Kelvin cannot go below 0 K.
- Can I reverse the conversion?
Yes. Use the Reverse button to switch between Celsius to Kelvin and Kelvin to Celsius.
- Are my inputs stored?
No. All calculations run locally in your browser.