Convert Celsius to Kelvin
Convert Celsius to Kelvin online instantly. Free and accurate temperature converter.
How to Convert Celsius to Kelvin
- Take your temperature value in degrees Celsius.
- Add 273.15 to the Celsius value.
- The result is the temperature expressed in Kelvin (no degree symbol is used).
Quick Reference
| Celsius | Kelvin |
|---|---|
| 0 °C | 273.15 K |
| 20 °C | 293.15 K |
| 25 °C | 298.15 K |
| 37 °C | 310.15 K |
| 100 °C | 373.15 K |
| -273.15 °C | 0 K |
Use Cases
- •Performing thermodynamic and physical chemistry calculations that require an absolute temperature scale.
- •Converting laboratory temperature measurements into Kelvin for scientific publications.
- •Working with the ideal gas law (PV = nRT) where temperature must be in Kelvin.
Formula
To convert Celsius to Kelvin, add 273.15: K = °C + 273.15.
Frequently Asked Questions
How do you convert Celsius to Kelvin?
Simply add 273.15 to the Celsius value. Example: 0°C = 273.15 K.
What is absolute zero in Celsius?
Absolute zero is −273.15°C (0 K).
What is 100°C in Kelvin?
100°C = 373.15 K.