Recessed Lighting Calculator

Calculate position and layout for recessed lights in your room

Room Dimensions

Lighting Specifications

Preview

Size:20 × 15 ft
Area:300.00 ft²
Layout:2×3
Total lights:6
20 ft15 ft6.7 ft6.7 ft7.5 ft3.3 ft3.8 ft3.3 ft3.8 ft
Spacing:
  • Horizontal spacing: 6.67 ft
  • Vertical spacing: 7.50 ft
  • Margin distance from wall (horizontal): 3.33 ft
  • Margin distance from wall (vertical): 3.75 ft

What is a recessed lighting calculator?

A recessed lighting calculator is an online utility that helps you calculate the optimal position and layout for recessed lights in your space. This tool calculates the spacing between lights, distance from walls, and light coverage to ensure even and beautiful lighting in your room.

Use cases

  • Design lighting systems for living rooms, bedrooms, or offices
  • Calculate the number of lights needed for a space
  • Determine light placement for even illumination
  • Plan for renovation or new construction projects

When to use?

Use this tool when you're planning to install recessed lights, renovate your lighting system, or design a new space. Very useful for architects, interior designers, electricians, and homeowners who want a professional lighting system.