Convert Celsius to Kelvin
Instant temperature conversion, with the formula and a full reference table.
1 °C
274.15 K
1 K = -272.15 °C
How to convert Celsius to Kelvin
Temperature scales do not share a zero point, so the conversion needs an offset as well as a multiplier — you cannot simply scale the number.
°K = (°°C × 1 + 0 + 273.15) ÷ 1
Worked example
To convert 25 °C: apply the formula above to get 298.15 K.
Celsius to Kelvin conversion table
| Celsius (°C) | Kelvin (K) |
|---|---|
| 1 | 274.15 |
| 2 | 275.15 |
| 3 | 276.15 |
| 5 | 278.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 50 | 323.15 |
| 100 | 373.15 |
| 250 | 523.15 |
| 500 | 773.15 |
| 1,000 | 1,273.15 |