Celsius to Kelvin

Celsius to Kelvin Converter — °C to K Online

Convert Celsius temperatures to Kelvin instantly using the formula K = °C + 273.15. Kelvin is the SI base unit of thermodynamic temperature, starting at absolute zero (−273.15°C). Essential for scientific, physics, chemistry, and engineering calculations where Kelvin is required for thermodynamic formulas and ideal gas law calculations.

Celsius to Kelvin Conversion Applications

• Physics and chemistry thermodynamics calculations (Ideal Gas Law: PV=nRT)
• Scientific research requiring SI temperature units
• Astronomy: stellar temperature measurement and blackbody radiation
• Cryogenics and low-temperature physics research
• Blackbody radiation and color temperature calculations (LED, photography)
• Chemical reaction rate calculations (Arrhenius equation)

Kelvin is mandatory for scientific calculations where temperature proportionality matters — the Ideal Gas Law, Stefan-Boltzmann Law, and Wien's Displacement Law all require Kelvin. 0K is absolute zero, the theoretical minimum temperature. Common reference: room temperature is approximately 20°C = 293.15K. Use this converter for physics homework, chemistry calculations, engineering simulations, and scientific research.