Celsius to Kelvin Converter

Convert celsius to kelvin instantly with our free online temperature converter. Accurate conversions with detailed formulas and conversion tables.

Convert °C to K

From Unit
Celsius (°C)
To Unit
Kelvin (K)

Conversion Result

0 °C = 0.00 K

Exactly 0.00 K

Results are estimates. Not professional advice.

The Formula

To convert Celsius to Kelvin, add 273.15. Formula: K = °C + 273.15

Celsius to Kelvin Conversion Table

Celsius (°C)Kelvin (K)Notes
-40 °C233.15 KExtremely cold
0 °C273.15 KFreezing point of water
25 °C298.15 KRoom temperature
100 °C373.15 KBoiling point of water
200 °C473.15 KVery hot

Convert Celsius to Other Units

How to Use This Calculator

  1. Enter the Temperature: Type the temperature value you want to convert in the input field. For example, if converting 100 °C to K, enter "100".
  2. Select Units: The calculator is pre-configured to convert from Celsius (°C) to Kelvin (K). The units are displayed in the "From Unit" and "To Unit" fields.
  3. View Results: The converted value appears instantly in the result card. You can see both the formatted result and the exact decimal value.
  4. Copy or Switch: Use the "Copy Result" button to copy the conversion to your clipboard, or click "Quick Switch" to reverse the conversion direction.

How the Conversion Works

Temperature conversions use specific formulas based on the relationship between different temperature scales. Most conversions go through Celsius as an intermediate step for accuracy.

Conversion Formula:

To convert Celsius to Kelvin, add 273.15. Formula: K = °C + 273.15

Example Calculation:

Let's convert 100 °C to K:

100 °C = 373.15 K

Why Convert Celsius to Kelvin?

Converting temperature from Celsius to Kelvin is essential for various applications including cooking, weather reporting, scientific research, engineering, and international communication. Understanding this conversion helps ensure accuracy in temperature measurements across different unit systems.

Different regions and fields use different temperature scales. Celsius is used in most countries and scientific contexts, Fahrenheit is primarily used in the United States, Kelvin is used in scientific research for absolute temperature measurements, and Rankine is used in some engineering applications.

Frequently Asked Questions

How much is 1 °C in K?
Exactly 1 °C is equal to 274.15 K.
What is the conversion formula from °C to K?
To convert Celsius to Kelvin, add 273.15. Formula: K = °C + 273.15
Why is accurate temperature conversion important?
Accurate temperature conversions are crucial for cooking and baking, weather reporting, scientific research, medical applications, and engineering. Small errors in conversion can lead to significant problems in these fields.