Temperature converter
Celsius to Kelvin Converter
Convert Celsius to Kelvin for scientific and engineering temperature measurements.
Result
1 °C = 274.15 K
Also equals
Conversion formula
K = °C + 273.1520°C equals exactly 293.15 K.
Celsius to Kelvin table
| Celsius (°C) | Kelvin (K) |
|---|---|
| -40 | 233.15 |
| 0 | 273.15 |
| 20 | 293.15 |
| 37 | 310.15 |
| 100 | 373.15 |
| 212 | 485.15 |
What is Celsius to Kelvin?
Converting Celsius to Kelvin is common in science and engineering because Kelvin is the SI base unit of temperature. The formula is K = °C + 273.15. Unlike Celsius and Fahrenheit, Kelvin starts at absolute zero, so it has no negative values.
About this conversion
This converter uses the displayed definition for celsius and its recognized relationship to kelvin. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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When to convert Celsius to Kelvin
Use this conversion for physics equations, chemistry experiments, thermodynamics, astronomy, and engineering calculations.
Frequently asked questions
How do I convert Celsius to Kelvin?+
Enter the Celsius value in the converter. The result uses adding 273.15 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
What is 0°C in Kelvin?+
0°C is 273.15 K.
What is 100°C in Kelvin?+
100°C is 373.15 K.
Why use Kelvin instead of Celsius?+
Kelvin is used in scientific calculations because it is an absolute scale starting at absolute zero.
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