Convert Kelvin to Celsius
1 kelvin equals -272.15 celsius. Enter a value below to convert instantly.
Formula
°C = K − 273.15
Step by step
- Start with 1 K.
- Apply the Kelvin-to-Celsius formula.
- The result is -272.15 °C.
Kelvin to Celsius conversion table
| Kelvin (K) | Celsius (°C) |
|---|---|
| -40 | -313.15 |
| -20 | -293.15 |
| 0 | -273.15 |
| 10 | -263.15 |
| 20 | -253.15 |
| 32 | -241.15 |
| 37 | -236.15 |
| 50 | -223.15 |
| 98.6 | -174.55 |
| 100 | -173.15 |
About the kelvin
The kelvin (K) is a SI unit of temperature.
About the celsius
The celsius (°C) is a Metric unit of temperature.
Where this conversion is used
Converting kelvin to celsius comes up when cooking, weather, medical readings, and science experiments. Because the scales have different zero points, you add or subtract an offset — you cannot simply multiply.
Need the other direction? Convert celsius to kelvin →
Related conversions
Frequently asked questions
How many celsius are in a kelvin?
One kelvin equals -272.15 celsius.
How do you convert kelvin to celsius?
°C = K − 273.15
What is 1 celsius in kelvin?
One celsius equals 274.15 kelvin.
When would I convert kelvin to celsius?
This conversion is common when cooking, weather, medical readings, and science experiments.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.