Professional Lighting Calculator

Calculate the perfect lighting for any room. Get accurate lumens, fixture counts, and spacing recommendations in seconds.

Complete Lighting Calculator

Full solution for recessed lighting planning

  • Calculate number of fixtures needed
  • Get precise spacing measurements
  • View fixture layout visualization
  • Professional and homeowner modes

Lumens Calculator

Quick calculation for total lumens needed

  • Fast lumens-only calculation
  • Room-specific recommendations
  • Imperial and metric support
  • Perfect for quick estimates

Why Use Pen Lighting Calculator?

Accurate Calculations

Industry-standard formulas ensure proper lighting levels for every room type.

Perfect Spacing

Get exact measurements for fixture placement and spacing from walls.

Easy to Use

Whether you're a professional or homeowner, get results in seconds.

Supported Room Types

Pre-configured lighting recommendations for all common spaces

Kitchen
Living Room
Bedroom
Bathroom
Dining Room
Home Office
Garage
And more...

Ready to Light Your Space?

Choose your calculator and get started in seconds