💡 Downlight Spacing Calculator

Calculate perfect spacing and visualize your lighting layout in real-time

🏠 Room Type

📏 Room Dimensions

Length: 5m
Width: 4m
Ceiling Height: 2.4m

💡 Lighting Configuration

Target Brightness: 300 lux
Lumens per Fitting: 500 lm

Typical residential downlight: 350-700 lumens

Beam Angle: 50°
Wall Offset: 0.6m

⚙️ Advanced

Auto-adjust for Target Lux

Automatically adjust light spacing to meet brightness target

Spacing Factor: 0.5

Lower = tighter grid, Higher = wider spacing

Zoom: 100%

ℹ️ Layout Summary

Total Lights
0
Grid Pattern
0×0
Estimated Lux
0
Beam Spread
0m
Brightness Assessment
Perfect

💡 Pro Tips

  • Keep the wall offset at about half the spacing, usually 0.6-0.75m (about 60cm out from a worktop wall)
  • Wider beam angles (50-60°) create smoother coverage
  • Use IP65 rated lights in bathroom zones
  • Add dimmers for flexible mood lighting