Free tool · The Design Lab
The Fixture Sizing Calculator
Buying a fixture without knowing the right size is the most common lighting mistake homeowners make. Enter your room type and dimensions. The output tells you exactly what diameter to shop for, how many fixtures you need, and how high to hang them.
Ceiling ft
in
Ceiling height must be between 6 and 24 feet.
Length ft
in
Width ft
in
Table dimensions must be at least 2 feet.
Width ft
in
Depth ft
in
Room dimensions must be at least 2 feet.
Length ft
in
Width ft
in
Island dimensions must be at least 2 feet.
Hood ft
in
A hood this wide leaves no room for pendants.
Enter your room details
to see the recommendation.
Your Fixture
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Go deeper
The Residential Lighting Reference covers mounting heights, spacing rules, and fixture specifications in full. 44 pages, $37.
See Guide 01 · $37