Plywood Calculator

Enter the area you need to cover to find how many standard plywood sheets to buy and what they'll cost.

How to Use the Plywood Calculator

Enter the area you need covered along with the sheet's width and length — the defaults are a standard 4×8 sheet, but both are editable for a special-order size. Waste percentage and price per sheet finish the order.

sheets = ⌈(area × (1 + waste %)) ÷ (sheet width × sheet length)⌉

A standard 4×8 sheet covers 32 square feet, which is the number most contractors mentally divide by for a quick estimate. This calculator does the same division, just rounded up to a whole sheet and padded by whatever waste percentage you set — 10% is a reasonable starting point for straightforward rectangular coverage, more if the layout involves a lot of cuts around corners or fixtures.