Convert Celsius to Kelvin
Convert Celsius (°C) to Kelvin (K) instantly. Enter a value below and the result updates live — accurate to 8 significant figures. 1 Celsius = 274.15 Kelvin.
Temperature uses non-linear formulas (offset + scale) — Kelvin is the internal base.
Celsius to Kelvin formula
Add 273.15 to the Celsius value.
Celsius to Kelvin conversion table
| Celsius (°C) | Kelvin (K) |
|---|---|
| 1 | 274.15 |
| 5 | 278.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 50 | 323.15 |
| 100 | 373.15 |
| 500 | 773.15 |
| 1000 | 1273.15 |
Celsius to Kelvin — FAQ
What is 1 °C in K?
1 Celsius (°C) equals 274.15 Kelvin (K). For example, 10 °C = 283.15 K.
How do I convert Celsius to Kelvin?
Add 273.15 to the Celsius value. Or simply type any value into the converter above and the Kelvin result updates instantly.
Is the Celsius to Kelvin conversion accurate?
Yes. Temperature uses exact offset-and-scale formulas via Kelvin, so every result is precise to 8 significant figures.