Kelvin to Celsius Converter
Convert kelvin to celsius with this free temperature converter. The exact relationship used on this page is 1 kelvin = -272.15 celsius. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: °C = K − 273.15
How to convert kelvin to celsius
- Enter the value in kelvin in the converter.
- Read the equivalent amount in celsius.
- Use the swap link if you need celsius to kelvin instead.
- Check the table for common values without typing.
Worked examples
- 1 K = -272.15 °C
- 5 K = -268.15 °C
- 10 K = -263.15 °C
- 25 K = -248.15 °C
Conversion table
Common kelvin values converted to celsius.
| K | °C |
|---|---|
| 1 | -272.15 |
| 2 | -271.15 |
| 3 | -270.15 |
| 4 | -269.15 |
| 5 | -268.15 |
| 6 | -267.15 |
| 7 | -266.15 |
| 8 | -265.15 |
| 9 | -264.15 |
| 10 | -263.15 |
| 20 | -253.15 |
| 50 | -223.15 |
| 100 | -173.15 |
| 250 | -23.15 |
| 500 | 226.85 |
| 1,000 | 726.85 |
About this conversion
Kelvin (K) and Celsius (°C) are both temperature units. Temperature is not a simple multiply-and-divide conversion. Bookmark this URL when you convert kelvin to celsius often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the celsius to kelvin converter.
FAQ
How many celsius are in 1 kelvin?+
1 kelvin equals -272.15 celsius.
What is the formula to convert kelvin to celsius?+
°C = K − 273.15
How do I convert kelvin to celsius by hand?+
Use the formula °C = K − 273.15. Temperature and fuel-economy pairs are not a single multiply in every direction.
Is this K to °C converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.