Jump to content

Template:Luminance conversions

From Wikipedia, the free encyclopedia
Units of luminance
cd/m2 (SI unit)
≡ nit ≡ lm/m2/sr
stilb (sb) (CGS unit)
≡ cd/cm2
apostilb (asb)
≡ blondel
bril skot (sk) lambert (L) foot-lambert (fL)
= 1 ⁄ π cd/ft2
1 cd/m2 = 1 10−4 π
≈ 3.142
107 π
≈ 3.142×107
103 π
≈ 3.142×103
10−4 π
≈ 3.142×10−4
0.30482 π
≈ 0.2919
1 sb = 104 1 104 π
≈ 3.142×104
1011 π
≈ 3.142×1011
107 π
≈ 3.142×107
π
≈ 3.142
30.482 π
≈ 2919
1 asb = 1 ⁄ π
≈ 0.3183
10−4π
≈ 3.183×10−5
1 107 103 10−4 0.30482
≈ 0.09290
1 bril = 10−7π
≈ 3.183×10−8
10−11π
≈ 3.183×10−12
10−7 1 10−4 10−11 0.30482×10−7
≈ 9.290×10−9
1 sk = 10−3π
≈ 3.183×10−4
10−7π
≈ 3.183×10−8
10−3 104 1 10−7 0.30482×10−3
≈ 9.290×10−5
1 L = 104π
≈ 3183
1 ⁄ π
≈ 0.3183
104 1011 107 1 0.30482×104
≈ 929.0
1 fL = 1 ⁄ 0.30482π
≈ 3.426
1 ⁄ 30.482π
≈ 3.426×10−4
1 ⁄ 0.30482
≈ 10.76
107 ⁄ 0.30482
≈ 1.076×108
103 ⁄ 0.30482
≈ 1.076×104
10−4 ⁄ 0.30482
≈ 1.076×10−3
1