degree Celsius to kelvin — free converter
Formula
K = °C + 273.15
Worked example
15 degrees Celsius = 288.15 kelvin.
Conversion table
| Degree celsius | Kelvin |
|---|---|
| 1 degrees Celsius | 274.15 kelvin |
| 2 degrees Celsius | 275.15 kelvin |
| 5 degrees Celsius | 278.15 kelvin |
| 10 degrees Celsius | 283.15 kelvin |
| 25 degrees Celsius | 298.15 kelvin |
| 50 degrees Celsius | 323.15 kelvin |
| 100 degrees Celsius | 373.15 kelvin |
What these units mean
Celsius is the temperature scale used for weather and cooking in most of the world. Kelvin is the scientific temperature scale that starts at absolute zero. When you change from degrees Celsius to kelvin, you are simply expressing the same amount on a different scale, so the quantity itself does not change — only the number and the unit label do. A quick everyday check helps: picture the amount in your own life first, then let the converter do the arithmetic, and the result should feel roughly right before you use it for a purchase, a recipe or a journey.
FAQs about degree Celsius to kelvin
How many kelvin are in 1 degree Celsius?
1 degree Celsius = 274.15 kelvin.
What is the formula for degree Celsius to kelvin?
K = °C + 273.15. Temperature is not a simple multiplication: it uses a formula with an added or subtracted constant, because the two scales start at different points.
What is 15 degrees Celsius in kelvin?
15 degrees Celsius = 288.15 kelvin.
How do I convert kelvin back to degrees Celsius?
Use the reverse page: kelvin to degree Celsius. The converter on that page swaps the direction for you.
Is the degree Celsius to kelvin result exact?
The factor is the standard published factor, and the converter shows the result rounded for reading. For everyday use this is exact enough; for engineering or laboratory work, check the rounding your task requires.