Celsius to Kelvin
Convert degrees Celsius (°C) to kelvin (K).
Convert temperatures from Celsius to Kelvin in one step using K = °C + 273.15. Type a value in either box to convert both ways — the result updates as you type, entirely in your browser.
| 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 |
Tip: type in either box to convert both ways, tap a row to reuse it, or use the copy button. Runs entirely in your browser — nothing is uploaded.
Runs entirely in your browser — nothing is uploaded.
How to use the celsius to kelvin
- 1Enter the value you want to convert.
- 2Read the converted result instantly — no button to press.
- 3Type in either box to convert both ways, or use the reference table for common values.
Frequently asked questions
How do you convert Celsius to Kelvin?
Use K = °C + 273.15. For example, 20°C = 293.15K.
What is 20°C in Kelvin?
20°C is 293.15K.