Kelvin to Celsius converter
Convert kelvin (K) to degrees Celsius (°C). Formula: °C = K − 273.15.
Converter tool
Formula: °C = K − 273.15
Quick examples
| Kelvin | Celsius |
|---|---|
| 0 | -273.15 |
| 273.15 | 0 |
| 298.15 | 25 |
| 373.15 | 100 |
How to convert Kelvin to Celsius
Formula: °C = K − 273.15.
Reverse conversion: K = °C + 273.15
Tip: Use the swap button to reverse the calculation instantly.
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Kelvin → Celsius FAQs
What constants are used?
We use exact constants: 273.15 and 459.67 for Kelvin relations; 9/5 and 5/9 for °C/°F.
How do I go the other way?
K = °C + 273.15
Are the results rounded?
Calculations use exact constants; values are displayed with sensible rounding for readability.