Topic hub

Woodworking Calculator Hub

Cut lists, plywood, lumber, cabinet parts, kerf, board feet, and material planning tools for projects before the first cut.

Calculators

Start with the estimate that matches your job.

Each page solves a distinct planning task so you can move from dimensions to a more useful purchase or layout check.

Cabinet Cut List Calculator

Free cabinet cut list calculator. Create a starter plywood parts list for base or wall cabinets, shelves, backs, and sheet estimates.

Open Cabinet Cut List Calculator

Drawer Box Calculator

Free drawer box calculator for side-mount and undermount slides. Get finished box size, sides, front, back, bottom, area, and plywood estimate.

Open Drawer Box Calculator

Cabinet Door Calculator

Free cabinet door calculator for inset, full-overlay, and partial-overlay doors. Calculate single or double door sizes plus Shaker rails, stiles, and panel size.

Open Cabinet Door Calculator

Shelf Spacing Calculator

Free shelf spacing calculator. Get equal clear openings, shelf top positions, centerlines, and optional 32mm system hole locations from internal height and shelf count.

Open Shelf Spacing Calculator

Shelf Sag Calculator

Free shelf sag calculator. Estimate approximate shelf deflection from span, thickness, depth, load, and a chosen material stiffness value.

Open Shelf Sag Calculator

Method

Measure, estimate, verify.

Use calculators to prepare a first material plan, then verify actual material, plans, manufacturer requirements, and local rules before committing to a build.