Input
Value
From
Lumen (lm)
Lux (lx)
Candela (cd)
Millicandela (mcd)
Watt (W)
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To
Lumen (lm)
Lux (lx)
Candela (cd)
Millicandela (mcd)
Watt (W)
Result
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Settings
Settings
Beam Angle (degrees)
Required for candela and millicandela conversions. Common values: 15, 30, 60, 120.
Area (m²)
Required for lux conversions. Surface area illuminated by the light source.
Luminous Efficacy (lm/W)
Required for watt conversions. Typical values: incandescent 12-18, CFL 45-75, LED 80-150.
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