Lumens to Lux Calculator — ChiefEngineer.in

Formula

Variables

• Φ_v — flux (lm)
• A — area (m²)
• E — illuminance (lx)

Worked Example

Input: 1000 lm over 10 m²

Result: E = 100 lx

Assumptions & Notes

Average illuminance assuming uniform distribution. Real installations need luminaire data and geometry.

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