Wood Cutting Calculator - Optimize Lumber & Timber Cuts

Wood Is Expensive — Stop Throwing a Quarter of It Away

A solid oak panel costs €60–120 per square metre. A birch plywood sheet runs €30–50. Even basic pine board is €15–25. Now picture every project where you measured, sketched a rough layout on scrap paper, cut — and ended up with a pile of offcuts too short to use. Across a year of projects, that pile represents thousands of euros in material you bought but never turned into a finished product.

A wood cutting calculator changes the equation. Enter your panel sizes, list every part you need, and the algorithm finds the arrangement that fits the most parts on the fewest sheets. Waste drops from 25–35 % to under 10 %, your offcut rack shrinks, and your material bill goes down — project after project.

CutOptim is a free wood cutting calculator that works with any rectangular panel: solid hardwood, veneered chipboard, plywood, MDF, pine board, or laminated panels. It respects grain direction, compensates for blade kerf, and exports production-ready cutting diagrams as PDF, CSV, or DXF.

Your Material Savings at a Glance

On a typical furniture project with 10 panels of veneered particleboard (2800 × 2070 mm at €48 each), reducing waste from 28 % to 6 % can save you 2–3 full panels — €96–144 per project. Over a year of 15 projects, that is €1,400–2,100 in material alone.

How to Use This Wood Cutting Calculator

1. Enter your wood panel dimensions

   Add the width and height of each stock panel — whether it is a full 2800 × 2070 mm veneered board or a 1200 × 450 mm offcut from last week. The optimizer uses smaller pieces first to save full sheets.

2. Add every part you need

   Enter name, width, height, and quantity for each piece. Working with grain-sensitive wood (oak veneer, birch plywood)? Enable grain-lock to ensure the optimizer only places the part in the correct orientation.

3. Configure kerf and edge trim

   Set your blade kerf — 3 mm for a table saw, 3.2 mm for a standard panel saw, 0 mm for CNC. If panels have rough factory edges, set an edge trim of 5–10 mm per side.

4. Optimize and review the diagram

   One click, and the nesting algorithm packs your parts across the minimum number of panels. Each piece is labeled. Waste areas are highlighted. You see the exact sheet count and waste percentage.

5. Export and start cutting

   Download a PDF with labeled diagrams for the saw team, a CSV for costing, or a DXF for CNC import. Pro users can brand the PDF with their company logo and slogan.

Standard Wood Panel Sizes — EU Reference

Who Uses a Wood Cutting Calculator?

Custom furniture makers

Bespoke kitchens, wardrobes, and bathroom vanities mean dozens of unique panel sizes. A wood cutting calculator handles 100+ parts in a single run, packing sides, shelves, backs, doors, and drawer fronts onto the fewest possible boards. The labeled PDF doubles as a production sheet the saw operator can follow step by step.

Solid hardwood workshops

Oak, walnut, and cherry panels can cost €80–150 per square metre. Every discarded offcut hurts. The optimizer arranges parts for maximum yield and flags pieces where grain direction must be preserved — so your expensive hardwood ends up in finished furniture, not the scrap bin.

Production and batch manufacturers

Running 20 identical desks or 50 shelving units? Save the project file, reload it when the next batch comes in, and adjust quantities. The optimizer recalculates in seconds, keeping your material orders precise across production runs.

Weekend woodworkers and DIY builders

Building a bookcase, a workbench, or a garden shed? Enter your parts, optimize, and take the diagram to the hardware store. You will know exactly how many panels to buy — no second trip, no leftover half-sheets you will never use.

Pro Tips for Better Wood Cutting Results

• One species and thickness per run. Do not mix 18 mm oak with 12 mm birch plywood. Separate runs produce clear diagrams and prevent cutting the wrong board on the saw.
• Enter offcuts as extra stock. That 900 × 450 mm oak piece from last month? Add it. The optimizer uses it before touching a fresh panel.
• Account for blade kerf. A table saw removes 3 mm per cut. 20 cuts = 60 mm lost. Skipping kerf means the last part will not fit.
• Add edge banding thickness. If parts receive 0.5 mm or 2 mm veneer tape, increase dimensions accordingly so the finished size is correct after banding.

Free vs. Pro