Temperature Converter
Celsius to Kelvin Converter
Convert temperature from Celsius (°C) to thermodynamic Kelvin (K).
Temperature
(°C)
Example: 25 °C
(K)
e.g. 298.15K
Standard: 0 K = -273.15 °C = -459.67 °F
Enter any number above to convert Degrees Celsius to Kelvins. Click (i) for brief unit info.
Converting the other way?
Switch directly to the reverse calculator: Kelvin to Celsius Converter
How to Convert Celsius to Kelvin
Official Mathematical Formula
K = °C + 273.15
Where the input value in °C is transformed using the exact standardized conversion factor to produce the output in K.
Practical Calculation Example
You can verify this calculation directly using our interactive tool above.
Quick Conversion Reference Table (°C → K)
Celsius (°C) | Kelvin (K) | Copy |
|---|---|---|
| 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 | |
| 15 °C | 288.15 K | |
| 20 °C | 293.15 K | |
| 25 °C | 298.15 K | |
| 50 °C | 323.15 K | |
| 75 °C | 348.15 K | |
| 100 °C | 373.15 K | |
| 250 °C | 523.15 K | |
| 500 °C | 773.15 K | |
| 1000 °C | 1,273.15 K |
Related Temperature Calculators
All Temperature Tools →Celsius to Kelvin FAQs
No, by SI international convention, Kelvin is written simply as K, without a degree symbol (°).