How to convert degrees Celsius to kelvins
Use the formula K = °C + 273.15.
Formula
K = °C + 273.15
Example: 25 °C is 298.15 K.
Celsius to Kelvin 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 |
| 21 °C | 294.15 K |
| 22 °C | 295.15 K |
| 25 °C | 298.15 K |
| 30 °C | 303.15 K |
| 35 °C | 308.15 K |
| 36.6 °C | 309.75 K |
| 37 °C | 310.15 K |
| 38 °C | 311.15 K |
| 39 °C | 312.15 K |
| 40 °C | 313.15 K |
| 50 °C | 323.15 K |
| 60 °C | 333.15 K |
| 70 °C | 343.15 K |
| 100 °C | 373.15 K |
| 150 °C | 423.15 K |
| 180 °C | 453.15 K |
| 200 °C | 473.15 K |
| 220 °C | 493.15 K |
| 250 °C | 523.15 K |
Values are rounded to at most four decimals. The converter above shows more digits.
About the units
The Celsius scale puts the freezing point of water at 0 °C and its boiling point at 100 °C at sea level.
Kelvin starts at absolute zero, −273.15 °C, and uses steps of the same size as Celsius.
Need the other direction? Use the Kelvin to Celsius converter. For every temperature unit at once, open the Temperature Converter.
Frequently asked questions
What is the formula to convert Celsius to Kelvin?
K = °C + 273.15. For example, 25 °C is 298.15 K.
How do I convert degrees Celsius to kelvins?
Use the formula K = °C + 273.15. For example: 25 °C is 298.15 K.
What is 38 degrees Celsius in kelvins?
38 degrees Celsius is 311.15 kelvins.