Online Celsius to Kelvin Converter
Convert between Celsius and Kelvin. K = °C + 273.15. Bidirectional, client-side only.
Frequently Asked Questions
- What is the formula?
- Kelvin = Celsius + 273.15. So 0 °C = 273.15 K. To go from K to °C, subtract 273.15.
- Why 273.15?
- Zero Kelvin is absolute zero. The triple point of water is 273.16 K (about 0.01 °C), and the Celsius scale is defined so that 0 °C = 273.15 K.
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