Celsius to Kelvin Converter
Free online °C to K converter — instant results, no sign-up needed.
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Formula: K = °C + 273.15
Common Celsius to Kelvin Values
| Celsius (°C) | Kelvin (K) |
|---|---|
| 0 °C | 273.15 K |
| 25 °C | 298.15 K |
| 100 °C | 373.15 K |
| 200 °C | 473.15 K |
| 300 °C | 573.15 K |
| -273.15 °C | 0 K |
About Celsius to Kelvin
Celsius to Kelvin for physics, chemistry, and thermodynamics problems. 0 K (absolute zero) = −273.15°C. Used in gas law equations (PV = nRT).
Formula: K = °C + 273.15
Frequently Asked Questions
How do I convert °C to K?
Use the calculator above — enter any value in °C and the result in K appears instantly. The formula is: K = °C + 273.15.
Is this Celsius to Kelvin converter free?
Yes, completely free. No sign-up, no download, and no limits. Works on any device browser.
What is 1 °C in K?
1 °C = 274.15 K.
Does this work on mobile?
Yes, the converter works on all browsers including Chrome Mobile on Android and Safari on iPhone.