Kelvin to Celsius Converter
300 K = 26.85 °C.
Enter a value
Result
1 kelvin =
-272.15 °C
1 K = -272.15 °C
°F = °C × 9/5 + 32
The working
- Convert 1 K to the base unit (kelvin): 1.
- Convert that to °C: -272.15.
1 K in every unit
Key reference points
- Water freezes
- 0 °C = 32 °F
- Room temperature
- 20 °C = 68 °F
- Body temperature
- 37 °C = 98.6 °F
- Water boils
- 100 °C = 212 °F
- Absolute zero
- −273.15 °C = 0 K
Conversion table
Kelvins to Degrees Celsius
| Kelvins | Degrees Celsius |
|---|---|
| 0 | -273.15 |
| 100 | -173.15 |
| 200 | -73.15 |
| 250 | -23.15 |
| 273.15 | 0 |
| 290 | 16.85 |
| 300 | 26.85 |
| 310 | 36.85 |
| 373.15 | 100 |
| 500 | 226.85 |
| 1,000 | 726.85 |
Degrees Celsius to Kelvins
| Degrees Celsius | Kelvins |
|---|---|
| 0 | 273.15 |
| 100 | 373.15 |
| 200 | 473.15 |
| 250 | 523.15 |
| 273.15 | 546.3 |
| 290 | 563.15 |
| 300 | 573.15 |
| 310 | 583.15 |
| 373.15 | 646.3 |
| 500 | 773.15 |
| 1,000 | 1,273.2 |
Formula and worked example
°C = K − 273.15
Convert 300 K to °C: using °C = K − 273.15, 300 K = 26.85 °C.
When you need this
Scientific papers, colour temperatures of light bulbs and space data are given in kelvin. Converting to Celsius makes them easier to picture.
Questions people ask
What is 290 K in °C?
290 K is 16.85 °C.
What is the formula for kelvins to degrees Celsius?
°C = K − 273.15.
Why can't I just multiply by one number?
The scales start from different zero points, so you have to add or subtract an offset as well as scale the value.
How do I convert degrees Celsius back to kelvins?
Use the reverse conversion: 16.85 °C is 290 K.
Related conversions
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.
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