Blackbody Radiation Calculator
Free calculate blackbody radiation properties including peak wavelength, total power, and spectral radiance using planck's law.
Input Parameters
Example: Sun ≈ 5778 K, Room temp ≈ 293 K
Leave as 1 for power per unit area
Results
Enter temperature to calculate blackbody radiation
Blackbody Radiation Formulas
Wien's Displacement Law
λ_max = b / T
Where b = 2.898 × 10⁻³ m·K
Stefan-Boltzmann Law
P = σAT⁴
Where σ = 5.670 × 10⁻⁸ W/(m²·K⁴)