Convert Kelvin to Celsius
Kelvin to degrees Celsius. Enter a value to convert, or use the Kelvin to Celsius chart further down the page.
Kelvin and degrees Celsius are measured on scales with different zero points, so the conversion needs a formula rather than a single factor.
How to convert Kelvin to Celsius
Kelvin and degrees Celsius use different zero points, so you cannot convert them with a single multiplication. Apply the formula °C = K − 273.15 instead.
°C = K − 273.15
Worked example
Convert 300 K to degrees Celsius:
300 K = 26.85 °C
Kelvin to Celsius conversion chart
Use this Kelvin to Celsius table for quick reference without typing anything.
| kelvin (K) | degrees Celsius (°C) |
|---|---|
| 0 K | -273.15 °C |
| 100 K | -173.15 °C |
| 200 K | -73.15 °C |
| 273.15 K | 0 °C |
| 283.15 K | 10 °C |
| 293.15 K | 20 °C |
| 300 K | 26.85 °C |
| 310.15 K | 37 °C |
| 373.15 K | 100 °C |
What is a kelvin?
The kelvin is the SI base unit of temperature. It starts at absolute zero and uses the same degree size as Celsius, so 0 K equals −273.15 °C.
What is a degree Celsius?
The Celsius scale places 0 °C at the freezing point of water and 100 °C at its boiling point at standard pressure. It is the everyday temperature scale in almost every country.
Frequently asked questions
How many Celsius are in a kelvin?
Kelvin and degrees Celsius have no fixed ratio, because the two scales start at different zero points. Convert between them with °C = K − 273.15 instead of multiplying by a single number.
How do you convert Kelvin to Celsius?
Kelvin and degrees Celsius use different zero points, so you cannot convert them with a single multiplication. Apply the formula °C = K − 273.15 instead.
What is 10 Kelvin in Celsius?
10 Kelvin equals -263.15 Celsius. The conversion chart on this page lists the other values people look up most often.
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