Celsius to Kelvin Converter
Use our Celsius to Kelvin converter to convert Celsius to Kelvin instantly. Includes the celsius to k formula, the celsius to kelvin conversion equation, examples like 0 degree celsius to kelvin, and a quick conversion chart/table.
What is Celsius to Kelvin Conversion?
Celsius to Kelvin conversion converts a temperature from degrees Celsius (°C) to Kelvin (K). Kelvin is the SI base unit for temperature and is commonly used in science and engineering.
If you’re asking are kelvin and celsius the same, the answer is no. They have the same size degree step, but they start at different zero points. Kelvin starts at absolute zero, while Celsius is offset so water freezes at 0°C.
This page explains the c to kelvin scale, the celsius and kelvin difference, and how are kelvin and celsius related using the standard conversion equation. If you also need other scales, you may look for a celsius kelvin fahrenheit converter—this page focuses specifically on Celsius to Kelvin.
Celsius to Kelvin Formula
To convert Celsius to Kelvin, add 273.15. This is the standard celsius to k formula and celsius to kelvin conversion equation used by a convert celsius to kelvin calculator.
To convert celsius to kelvin you add 273.15.
Use this for the reverse conversion.
So 0°C equals 273.15 K.
So 1°C equals 274.15 K (one degree celsius to kelvin).
The step size is the same. They differ by an offset, not by scale size.
Kelvin measures absolute temperature. 0 K is absolute zero, and typical room temperature is about 293–298 K.
Celsius to Kelvin conversion chart
Quick reference values for common conversions (c to kelvin converter).
| °C | K |
|---|---|
| -273.15 | 0 |
| -100 | 173.15 |
| -40 | 233.15 |
| 0 | 273.15 |
| 1 | 274.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 37 | 310.15 |
| 100 | 373.15 |
How to Convert C to Kelvin
- 1
Enter the temperature in degrees Celsius (°C).
- 2
Add 273.15 to the Celsius value.
- 3
Read the result in Kelvin (K).
- 4
To convert Kelvin back to Celsius, subtract 273.15.
Frequently Asked Questions
Add 273.15. The formula is K = °C + 273.15.
K = °C + 273.15.
Add 273.15.
No. They use the same step size, but Kelvin starts at absolute zero while Celsius is offset.
They differ by a constant offset of 273.15: K = °C + 273.15.
Same degree size, different zero points. Kelvin is absolute (0 K is absolute zero).
Yes—this celsius to kelvin converter uses the standard equation and outputs Kelvin immediately.
This page converts Celsius to Kelvin. For Fahrenheit too, you’d use a separate Fahrenheit conversion page or a combined temperature converter.