The Kelvin Scale

The Kelvin scale is a temperature measurement system used primarily in science and engineering. Unlike Celsius or Fahrenheit, it starts at absolute zero, the point where particles stop moving—which is -273.15°C. Zero Kelvin (0K) represents this minimum possible temperature. The scale increments the same way as Celsius, so 1 Kelvin change equals 1°C change. Because it begins at absolute zero, Kelvin is ideal for describing extremely cold or hot temperatures without negative numbers, making calculations in physics and thermodynamics straightforward. It provides a universal standard for temperature measurement across different scientific disciplines.