Utility

Shelf Gap Calculator

Click the leg to add shelf pairs, drag shelves up/down, and click x to delete. Every distance snaps to your increment and updates instantly.

Variables

Model assumption: shelf board sits on top of the rail. New shelves require at least 1" clear spacing from neighboring shelf pairs.

Distance Readout

Segment Rail to Rail Clear Gap

Shelf Leg / Vertical Support

Click the vertical leg to insert a shelf pair. Drag existing shelf pairs to tune spacing. Left labels show clear openings (top gap is shelf top to ceiling); right tags show distance from leg bottom (0) to rail bottom.

Ceiling
Floor / Leg Bottom (0)