Convert Celsius to Kelvin
Convert Celsius to Kelvin instantly. Free, accurate, with formula (K = °C + 273.15) and reference table.
0 °C = 273.15 K
Common temperatures
- Freezing: 0°C = 32°F
- Boiling: 100°C = 212°F
- Body temp: 37°C = 98.6°F
- Freezing: 32°F = 0°C
Formula
K = °C + 273.15
Built-in to the calculator above — no need to do the math by hand.
Celsius to Kelvin table
| °C | K |
|---|---|
| 1 °C | 274.15 K |
| 2 °C | 275.15 K |
| 3 °C | 276.15 K |
| 5 °C | 278.15 K |
| 10 °C | 283.15 K |
| 25 °C | 298.15 K |
| 50 °C | 323.15 K |
| 100 °C | 373.15 K |
| 250 °C | 523.15 K |
| 500 °C | 773.15 K |
| 1000 °C | 1273.15 K |
About Celsius to Kelvin
Converting celsius to kelvin is one of the most common temperature conversions people search for — used in trade, engineering, cooking, travel, and everyday problem-solving. The math itself is a fixed conversion factor (K = °C + 273.15), but doing it by hand every time is slow and error-prone. This page gives you an instant live converter, a reference table for common values, and the formula broken out so you can trust the result. Everything runs in your browser, and the conversion happens the moment you type — no button to press, no reload, no upload.
How to convert °C to K
- 1Type your value in the Celsius input above.
- 2The Kelvin result updates instantly to the right precision.
- 3Compare against the reference table below for common values.
- 4Copy the answer or bookmark the page for next time.