Direct conversion
Convert degree Celsius [°C] to kelvin [K] instantly with formula, examples, chart, and FAQs.
K = °C + 273.15
K = °C + 273.15
Example: 1 degree Celsius [°C] equals 274.15 kelvin [K].
Temperature conversions are formula based, not factor based. Celsius, Fahrenheit, Kelvin, and Rankine are converted through the correct scale equations.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The degree Celsius is a temperature scale where water freezes at 0 and boils near 100 at standard pressure.
HistoryThe Celsius scale developed from the centigrade scale and is now linked to the kelvin temperature scale.
Current useCelsius is used for weather, cooking, science, health, HVAC, and everyday temperature measurement in most countries.
The kelvin (K) is a temperature unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse kelvin when comparing temperature values, checking specifications, converting between systems, or preparing quick estimates.
| degree Celsius [°C] | kelvin [K] |
|---|---|
| -40 | 233.15 |
| 0 | 273.15 |
| 1 | 274.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 32 | 305.15 |
| 50 | 323.15 |
| 100 | 373.15 |
Use this formula: K = °C + 273.15 Enter your value in the calculator and the result updates instantly.
1 degree Celsius [°C] equals 274.15 kelvin [K].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.