Wien Displacement Law Calculator
Find peak emission wavelength or temperature using Wien's displacement law
Stellar Temperature Examples
Sun: 5778 K (Yellow-white)
Betelgeuse: 3500 K (Red)
Sirius: 9940 K (Blue-white)
Vega: 9602 K (Blue-white)
Proxima Centauri: 3042 K (Red)
Rigel: 12100 K (Blue)
Wien's Displacement Law
λ_max × T = b
b = 2.897771955 × 10⁻³ m·K
λ_max = b / T
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: University Physics
by Young & Freedman
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.