Calculator · Geometry & layout
Equal Spacing Calculator (Balusters, Slats)
The free Equal Spacing Calculator (Balusters, Slats) answers one question: Even gaps between slats, spindles or pegs. Enter your numbers in inches or millimeters and the result updates instantly in your browser, with no sign-up and no app to install. Use it on your phone at the bench, then copy or print the result for your cut list.
Enter the total opening, the width of each item and how many you'll fit — gaps at both ends included.
Equal Spacing
- Gap between items
- 3 7/16″
- Gap (decimal)
- 3.45″
- On-center spacing
- 4.95″
- First item starts at
- 3.45″
Pro tools · unlock
Which other geometry & layout calculators help with this project?
- Shelf Spacing Calculator — Evenly space shelves inside a cabinet.
- Taper Jig Angle Calculator — Angle for tapered table legs.
- Golden Ratio Calculator — Pleasing proportions for furniture design.
- Segmented Bowl Ring Calculator — Segment angle and length for segmented turning.
What you'll need for this project
Tools
Screws & hardware
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Build it · Intermediate · 1 weekend
Download the complete plan with cut list and materials list (PDF)
Slatted Garden Bench — 5 ft outdoor bench with evenly spaced seat and back slats. Drawings, cut list with board-foot totals, hardware list and step-by-step instructions.
$12.99All plans & bundles →