Convert c to k instantly when you need Celsius to Kelvin, celsius to kelvin or a quick absolute temperature conversion for formulas, lab notes and technical checks.
Category
Temperature
Live calculation
The result updates instantly while you change category, units and input value.
Converted result
298,15 K
Conversion summary
25 degC = 298,15 K
Quick reference
1 celsius = 274,15 kelvin
Guide
This page is a dedicated Celsius to Kelvin converter for workflows that require absolute temperature output.
It keeps the conversion fixed from Celsius to Kelvin so lab notes, technical calculations and formulas move faster with less scale confusion.
Use it when the source value is already in Celsius and the final result must be expressed in Kelvin.
It is useful for science, engineering, sensor work and standards-based calculations.
Workflow
Enter the temperature in Celsius.
Read the converted result in Kelvin instantly.
Use the quick table when you need frequent Celsius references already shifted to absolute temperature.
Search intent
Examples
Useful when equations or standards require absolute temperature instead of a daily-use scale.
Helpful when measured values start in Celsius but reports or formulas must use Kelvin.
Practical when calibration or device output references Kelvin in the final documentation.
Formula
K = degC + 273.15
Add 273.15 to the Celsius value because Kelvin shifts the zero point while keeping the same interval size as Celsius.
Reference
| degC | K |
|---|---|
| -20 | 253.15 |
| 0 | 273.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 100 | 373.15 |
FAQ
Add 273.15 to the Celsius value.
1 degree Celsius equals 274.15 Kelvin.
When scientific, lab or technical workflows repeatedly start in Celsius and must end in Kelvin.
Insights
A practical breakdown of the most common temperature conversion mistakes, from offset errors and reversed direction to unrealistic weather, oven and laboratory values that still look believable.
Read articleA practical guide to temperature conversion with clearer context checks for weather, cooking and scientific work, plus fewer mistakes when switching between Celsius, Fahrenheit and Kelvin.
Read article