lm | ||
Area unit type: | ||
lx | ||
Lumens to Lux calculation formula | ||
Calculation with area in square feet The illuminance E_{v} in lux (lx) is equal to 10.76391 times the luminous flux Φ_{v} in lumens (lm) divided by the surface area A in square feet (ft^{2}): E_{v(lx)} = 10.76391 * Φ_{v(lm)} / A_{(ft}^{2}) The illimunance E_{v} in lux (lx) is equal to 10.76391 times the luminous flux Φ_{v} in lumens (lm) divided by 4 times pi times the squared sphere radius r in feet (ft): E_{v(lx)} = 10.76391 * Φ_{v(lm)} / (4 * π * r_{(ft)}^{2}) |
Calculation with area in square meters The illuminance E_{v} in lux (lx) is equal to the luminous flux Φ_{v} in lumens (lm) divided by the surface area A in square meters (m^{2}): E_{v(lx)} = 10.76391 * Φ_{v(lm)} / A_{(m}^{2}) The illimunance E_{v} in lux (lx) is equal to the luminous flux Φ_{v} in lumens (lm) divided by 4 times pi times the squared sphere radius r in meters (m): E_{v(lx)} = Φ_{v(lm)} / (4 * π * r _{(m)}^{2}) |
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