Convert Celsius to Kelvin
1 celsius equals 274.15 kelvin. Enter a value below to convert instantly.
Formula
K = °C + 273.15
Step by step
- Start with 1 °C.
- Apply the Celsius-to-Kelvin formula.
- The result is 274.15 K.
Celsius to Kelvin conversion table
| Celsius (°C) | Kelvin (K) |
|---|---|
| -40 | 233.15 |
| -20 | 253.15 |
| 0 | 273.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 32 | 305.15 |
| 37 | 310.15 |
| 50 | 323.15 |
| 98.6 | 371.75 |
| 100 | 373.15 |
About the celsius
The celsius (°C) is a Metric unit of temperature.
About the kelvin
The kelvin (K) is a SI unit of temperature.
Where this conversion is used
Converting celsius to kelvin comes up when cooking, weather, medical readings, and science experiments. Because the scales have different zero points, you add or subtract an offset — you cannot simply multiply.
Need the other direction? Convert kelvin to celsius →
Related conversions
Frequently asked questions
How many kelvin are in a celsius?
One celsius equals 274.15 kelvin.
How do you convert celsius to kelvin?
K = °C + 273.15
What is 1 kelvin in celsius?
One kelvin equals -272.15 celsius.
When would I convert celsius to kelvin?
This conversion is common when cooking, weather, medical readings, and science experiments.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.