Stefan-Boltzmann Constant

Stefan's constant is also called as Stefan-Boltzmann constant. It is a physical constant requiring black body radiation represented by the Greek letter σ(sigma). The equation can also be derived from Planck's Law. The constant value is given in SI units σ = 5.670367(13)×10−8 W m−2 K−4.

Stefan's Constant

Constant Name

Stefan-Boltzmann Constant

Other Name : Stefan's Constant

Symbol : σ

Unit : W·m-2·K-4

Value : 5.670 400(40) × 10-8

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