Celsius to Kelvin Converter
Convert °C to K instantly. Free online converter.
Formula: K = °C + 273.15
Formula: K = °C + 273.15 | °C = K − 273.15
Common Temperature Conversions
| Description | Celsius (°C) | Kelvin (K) |
|---|---|---|
| Absolute Zero | −273.15 °C | 0 K |
| Liquid Nitrogen | −196 °C | 77.15 K |
| Dry Ice | −78.5 °C | 194.65 K |
| Water Freezes | 0 °C | 273.15 K |
| Room Temperature | 20 °C | 293.15 K |
| Human Body | 37 °C | 310.15 K |
| Water Boils | 100 °C | 373.15 K |
| Oven (Hot) | 200 °C | 473.15 K |
| Iron Melts | 1538 °C | 1811.15 K |
| Sun Surface | 5500 °C | 5773.15 K |
How to Convert Celsius to Kelvin
To convert Celsius to Kelvin, simply add 273.15: K = °C + 273.15
For example, 25 °C = 25 + 273.15 = 298.15 K
To convert Kelvin to Celsius, subtract 273.15: °C = K − 273.15
💡 The Kelvin scale starts at absolute zero (0 K = −273.15 °C). A degree change in Celsius equals a degree change in Kelvin. All calculations happen locally in your browser.
☆☆☆☆☆
Rate this tool