Celsius to Kelvin Converter
Convert celsius to kelvin with a free calculator
How to Convert Celsius to Kelvin
Formula: K = °C + 273.15
Celsius and Kelvin use the same degree size, so you only need to shift the zero point. Kelvin starts at absolute zero (-273.15°C), so add 273.15 to any Celsius value.
Celsius to Kelvin Reference Table
| Celsius (°C) | Kelvin (K) |
|---|---|
| 1 °C | 274.15 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 |
| 500 °C | 773.15 K |
| 1000 °C | 1273.15 K |
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Frequently Asked Questions
What is 0°C in Kelvin? +
0°C equals 273.15 K. You just add 273.15 to any Celsius value.
Can Kelvin be negative? +
No. 0 K (absolute zero) is the lowest possible temperature, equal to -273.15°C. Nothing can be colder.
Why do scientists use Kelvin? +
Kelvin starts at absolute zero, which makes it useful for physics calculations. Many gas laws and thermodynamic equations require an absolute temperature scale.