Light Fixture Spacing Calculator — Optimal Layout for Perfect Lighting

Light Fixture Spacing Calculator

Calculate optimal light fixture spacing for perfect room illumination. Determine fixture count, layout patterns, and spacing distances for even lighting in any space.

Step 1: Room Dimensions

10 ft

Room Type Guidelines

Different rooms require different lighting levels. Kitchens and offices need brighter, more focused lighting, while bedrooms and living rooms benefit from softer, ambient lighting.

Step 2: Fixture Specifications

1.0x Height
45°

Spacing Ratio Formula

The spacing ratio (typically 1-1.5x ceiling height) ensures even light distribution without dark spots or excessive overlap. For task lighting, use closer spacing (0.7-1x).

Lighting Layout Results

Summary
Layout Plan
Fixture Comparison

Optimal Fixture Layout

6 Fixtures
Grid pattern for 20×15 ft room
Room Area
300 sq ft
Spacing Between Fixtures
6.7 ft
Fixtures Per Row
3
Distance From Walls
3.3 ft

Room Layout Visualization

Layout Guidelines

For even lighting: Space fixtures evenly based on ceiling height. Keep fixtures 1/4 to 1/3 of room width from walls. In kitchens, center fixtures over work areas. In living rooms, create focal points.

Fixture Type Comparison

Fixture Type Spacing Ratio Fixtures Needed Coverage Area

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