How to convert degrees Celsius to kelvins
Use the formula K = °C + 273.15. Temperature scales have different zero points, so you cannot simply multiply by a single factor.
K = °C + 273.15
Example
To convert 25 degrees Celsius to kelvins: apply the formula above = 298.15 K.
°C to K conversion chart
| Degrees Celsius (°C) | Kelvins (K) |
|---|---|
| -40 °C | 233.15 K |
| -30 °C | 243.15 K |
| -20 °C | 253.15 K |
| -10 °C | 263.15 K |
| -5 °C | 268.15 K |
| 0 °C | 273.15 K |
| 5 °C | 278.15 K |
| 10 °C | 283.15 K |
| 15 °C | 288.15 K |
| 20 °C | 293.15 K |
| 25 °C | 298.15 K |
| 30 °C | 303.15 K |
| 35 °C | 308.15 K |
| 37 °C | 310.15 K |
| 40 °C | 313.15 K |
| 50 °C | 323.15 K |
| 60 °C | 333.15 K |
| 80 °C | 353.15 K |
| 100 °C | 373.15 K |
| 180 °C | 453.15 K |
| 200 °C | 473.15 K |
| 220 °C | 493.15 K |
About the units
Celsius (°C)
On the Celsius scale water freezes at 0 °C and boils at 100 °C at sea level. It is used in most of the world.
Kelvin (K)
The kelvin is the SI unit of temperature. 0 K is absolute zero; a change of 1 K equals a change of 1 °C.
Related conversions
Kelvins to degrees Celsius · Degrees Celsius to degrees Fahrenheit · Degrees Celsius to degrees Rankine · Degrees Fahrenheit to kelvins · Degrees Rankine to kelvins · All temperature units