Millicandela to lumens calculator RAPID TABLES
Millicandela to lumens calculation. times the solid angle ω in steradians (sr) divided by 1000: Φv(lm) = Iv(mcd) × ω(sr) / 1000 The solid angle ω in steradians (sr) is equal to 2 times pi times 1 minus cosine of half the apex angle θ in degrees (°): ω(sr) = 2π(1 cos( θ /2)) The luminous flux φ v in lumens (lm)...