Shelf Support Planner

Explore even support spacing for a shelf. This tool does not calculate load capacity or sag.

Shelf width (in)

Shelf depth (in)

Material thickness (in)

Preferred maximum spacing (in)

Enter your values to begin.

Before you build

Support spacing alone cannot tell you whether a shelf is safe. Material species, grade, orientation, load, bracket rating, wall construction and attachment method all matter.

See the floating shelf concept →