Recessed Lighting Calculator

Plan your room lighting layout. Calculate how many recessed lights you need and get optimal spacing recommendations for even illumination.

Popular Room Types

Most calculated room types for lighting

Light Size Preferences

Popular recessed light sizes

Brightness Preferences

Desired brightness levels

Calculation Statistics

See how many lighting calculations have been made over time

Lighting Calculator Guides & Articles

Loading articles...

How Recessed Lighting Layout Works

  • Spacing Rule: Lights should be spaced approximately equal to half the ceiling height
  • Wall Distance: First row should be 2-3 feet from walls
  • Lumens Per Square Foot: Varies by room type (20-50 lumens)
  • Light Size: 6-inch is most common for general lighting
  • Grid Pattern: Creates even illumination throughout the room

Frequently Asked Questions

Loading FAQs...