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Cut List Optimizer
A cut list optimizer turns your parts list into a real cutting layout, accounting for kerf, rotation, and offcuts so you buy less material and cut with less waste.
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The problem
A parts list tells you what to cut, but not whether those parts actually fit on the material you plan to buy. A cut list optimizer solves that gap. It takes your part sizes and quantities, then arranges them on real boards or sheets while respecting saw kerf, rotation rules, and grain direction. Without one, woodworkers tend to estimate from total area, then discover at the lumberyard or the saw that the shapes do not pack the way the math suggested.
Step-by-step solution
Enter every part with its quantity
Whether you are building a bookcase, a run of cabinets, or shop shelving, list each panel and board with width, length, and how many you need.
Set the stock size and saw kerf
Tell the optimizer your real sheet or board size and your blade kerf, so the layout reflects the material removed by every cut.
Let it arrange the parts
The optimizer packs parts to reduce waste, rotating hidden pieces while keeping visible grain consistent, and reports how many sheets or boards you need.
Review the offcuts, not just the percentage
A good optimized layout leaves rectangular offcuts you can reuse, which is often more valuable than chasing the lowest waste number.
Cut from the plan
Follow the cut order, label parts as they come off the saw, and keep the planned offcut for the next project.
Tool recommendation: For a quick optimization, use the free cut list calculator or plywood cut calculator in the browser. When a project has many parts or you want to save, edit, and export the layout, CutList Optimizer for iPhone keeps the whole plan with the job, offline.
FAQ
What does a cut list optimizer do?
It arranges your parts on real stock to reduce waste, accounting for kerf, rotation, and grain, then tells you how much material you need.
How is an optimizer different from a calculator?
A calculator can total area or board feet; an optimizer proves the exact shapes fit on real sheets or boards in a practical cutting layout.
Does a cut list optimizer really save material?
Often yes, especially on projects with repeated parts, by packing pieces better and turning leftovers into reusable offcuts instead of scrap.
Do I need to account for saw kerf?
Yes. Each cut removes material, so an accurate optimizer includes kerf, or the last part in a row may not fit.
What is the easiest way to start?
Open the cut list calculator, enter a few parts, and review the layout. Move larger or saved projects into CutList Optimizer.
Want to save, export, and reuse your cut lists? Download CutList Optimizer for iPhone.