Temperature converter
Kelvin to Celsius Converter
Convert K to °C or reverse with one click. Type a value below for an instant result.
Kelvin K
Celsius °C
K → °C · runs in your browser, no server
How to convert kelvin to celsius
Kelvin (K) and Celsius (°C) both measure temperature. Whether you are studying, traveling, cooking, or working on a project, converting between them should be fast and accurate.
Looking for the opposite direction? See our dedicated celsius to kelvin converter — same formula reversed, with content written for that direction.
The standard relationship used on this page means that 1 kelvin equals -272.15 °C. Enter any number in the calculator — use the swap button to reverse the direction without leaving the page.
Converting 300 K gives 26.85 °C. This is a practical reference when switching between kelvin and celsius for weather forecasts, cooking, science labs, and HVAC settings.
Need celsius to kelvin instead? Try our Celsius to Kelvin converter. celsius → kelvin
K to °C conversion table
| K | °C |
|---|---|
| 268 | -5.15 |
| 273 | -0.15 |
| 283 | 9.85 |
| 288 | 14.85 |
| 293 | 19.85 |
| 298 | 24.85 |
| 303 | 29.85 |
°C to K conversion table
Or click the swap button in the converter to switch from °C to K.
| °C | K |
|---|---|
| -5 | 268.15 |
| 0 | 273.15 |
| 10 | 283.15 |
| 15 | 288.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 30 | 303.15 |
Frequently asked questions
How many celsiuss are in 1 kelvin? +
One kelvin equals -272.15 °C. Use the converter above for any value — results are calculated locally with full precision.
How do I convert K to °C? +
Use the formula: °C = K − 273.15. Enter your value in the calculator and the result appears instantly. Click the swap button to convert °C back to K.
How many kelvins are in 1 celsius? +
One celsius equals 274.15 K. Swap the converter direction to work backwards from °C to K.
What is 10 K in °C? +
10 K is -263.15 °C. See the conversion table on this page for more common values.
When would I convert kelvin to celsius? +
This conversion is useful for weather forecasts, cooking, science labs, and HVAC settings. ConvertHub runs entirely in your browser — no data is uploaded to any server.
Is kelvin to celsius the same as celsius to kelvin? +
They are inverse operations. This page focuses on K → °C with examples and tables for that direction. For °C → K, use our separate celsius to kelvin converter page.