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Kelvin to Celsius Converter (K to °C)
Convert kelvin to celsius instantly with our free K to °C calculator. Enter a value to see the result.
Result1 K = -272.15 °C
⇄ Switch to Celsius to KelvinQuick answer: 1 kelvin (K) = -272.15 celsius (°C).
How to convert kelvin to celsius
To change K into °C, use this formula:
°C = K − 273.15
Example: to convert 25 K to °C, calculate -248.15 °C. To go the other way, use K = °C + 273.15.
Popular kelvin to celsius conversions
- 1 K to °C = -272.15 °C
- 2 K to °C = -271.15 °C
- 3 K to °C = -270.15 °C
- 5 K to °C = -268.15 °C
- 10 K to °C = -263.15 °C
- 15 K to °C = -258.15 °C
- 20 K to °C = -253.15 °C
- 25 K to °C = -248.15 °C
- 30 K to °C = -243.15 °C
- 40 K to °C = -233.15 °C
- 50 K to °C = -223.15 °C
- 60 K to °C = -213.15 °C
- 70 K to °C = -203.15 °C
- 80 K to °C = -193.15 °C
- 90 K to °C = -183.15 °C
- 100 K to °C = -173.15 °C
Kelvin to Celsius conversion chart
| Kelvin (K) | Celsius (°C) |
|---|---|
| 1 K | -272.15 °C |
| 2 K | -271.15 °C |
| 5 K | -268.15 °C |
| 10 K | -263.15 °C |
| 20 K | -253.15 °C |
| 25 K | -248.15 °C |
| 50 K | -223.15 °C |
| 75 K | -198.15 °C |
| 100 K | -173.15 °C |
| 250 K | -23.15 °C |
| 500 K | 226.85 °C |
| 1,000 K | 726.85 °C |
When do you need K to °C conversion?
This conversion is commonly used for weather, cooking, science and travel. Different countries and industries use different units, so converting kelvin to celsius helps you compare measurements accurately.
Frequently asked questions
How many celsius are in 1 kelvin?
1 K equals -272.15 °C.
How do I convert kelvin to celsius?
Use the formula °C = K − 273.15. For example, 25 K = -248.15 °C.
What is 10 K in °C?
10 K = -263.15 °C.
What is 100 K in °C?
100 K = -173.15 °C.
How do I convert °C back to K?
Use K = °C + 273.15. You can also use our Celsius to Kelvin converter.
Is this K to °C converter accurate?
Yes. It uses standard international conversion factors and shows up to 6 significant digits.