Celsius to Kelvin Converter
Convert celsius to kelvin with this free temperature converter. The exact relationship used on this page is 1 celsius = 274.15 kelvin. 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: K = °C + 273.15
How to convert celsius to kelvin
- Enter the value in celsius in the converter.
- Read the equivalent amount in kelvin.
- Use the swap link if you need kelvin to celsius instead.
- Check the table for common values without typing.
Worked examples
- 1 °C = 274.15 K
- 5 °C = 278.15 K
- 10 °C = 283.15 K
- 25 °C = 298.15 K
Conversion table
Common celsius values converted to kelvin.
| °C | K |
|---|---|
| 1 | 274.15 |
| 2 | 275.15 |
| 3 | 276.15 |
| 4 | 277.15 |
| 5 | 278.15 |
| 6 | 279.15 |
| 7 | 280.15 |
| 8 | 281.15 |
| 9 | 282.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 50 | 323.15 |
| 100 | 373.15 |
| 250 | 523.15 |
| 500 | 773.15 |
| 1,000 | 1,273.15 |
About this conversion
Celsius (°C) and Kelvin (K) are both temperature units. Temperature is not a simple multiply-and-divide conversion. Bookmark this URL when you convert celsius to kelvin often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the kelvin to celsius converter.
FAQ
How many kelvin are in 1 celsius?+
1 celsius equals 274.15 kelvin.
What is the formula to convert celsius to kelvin?+
K = °C + 273.15
How do I convert celsius to kelvin by hand?+
Use the formula K = °C + 273.15. Temperature and fuel-economy pairs are not a single multiply in every direction.
Is this °C to K 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.