How the sheets are worked out
Each panel’s area is its length times width times the number of pieces. The total panel area is divided by the area of one sheet to give the sheets needed by area alone, then increased by the cutting waste you set and rounded up to whole sheets.
For a wardrobe with two 7 × 2 ft sides, six 3 × 2 ft shelves and a 7 × 6 ft back, the panels come to 106 sq ft: 3.3 sheets of 8 × 4 ft by area, and 4 sheets with 15% waste.
Before you order
- Lay out the long parts first; they decide how many sheets you really need.
- Keep the grain direction the same on visible faces.
- Order the same brand and batch for one job so thickness and finish match.
To price the finished wardrobe for the client, use the wardrobe cost calculator.
Questions
How many plywood sheets do I need?
Add up the area of every panel in the cutting list, divide by the area of one sheet (32 sq ft for 8 × 4 ft) and add a cutting allowance, usually 10 to 20%. Round up to whole sheets.
What size is a standard plywood sheet?
In India and the Gulf the common size is 8 × 4 ft (2440 × 1220 mm). Some boards also come in 7 × 4 ft and 6 × 4 ft.
Why can the real cutting need more sheets?
Area alone assumes every offcut is used. Long sides, wide backs and the grain direction often leave strips that are too small to use, so a cutting layout can need a sheet or two more than the area suggests.
Does this work for MDF, HDHMR and particle board?
Yes. Any board sold in fixed sheet sizes is counted the same way; pick the sheet size and enter its price.