Lighting Lux Calculator

Calculate the number of luminaires required to achieve target illumination levels using the lumen method. Includes room type presets, maintenance factors, and spacing recommendations.

Room Dimensions
Lighting Requirements

Standard requirement: 500 lux

Efficacy: 100 lm/W

Enter room dimensions and lighting requirements to calculate

Notes:

  • Calculations use the Lumen Method (CIE recommendations)
  • Room Index affects light distribution efficiency
  • Higher reflectance surfaces improve utilization
  • Consider glare, uniformity, and color rendering for detailed design
  • Emergency lighting may require additional fixtures
Save Your Calculation
Get a professional PDF report of this calculation, plus access to templates and additional resources.

DISCLAIMER

This calculator provides ESTIMATES for preliminary planning purposes. Results are based on standard assumptions and may not reflect your specific project conditions.

By using this tool, you acknowledge that:

1. All calculations are approximate and based on typical industry standards and assumptions.

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