Free trade tool
Flooring & Tile Waste Factor Calculator
Finished square footage is not an order quantity. Add the waste factor for your layout, the attic stock the project should keep, and the carton size of the actual product, and you get the number that should appear on a purchase order.
Your project numbers
Field-measured net area, not the gross building footprint.
Square or rectangular rooms with few obstructions. 10% is the industry baseline for plank and straight-set tile.
Printed on the spec sheet. Leave blank to see square feet only.
How to Use These Numbers Without Getting Burned
- Order attic stock with the original order. A carton bought six months later is usually a different production run. Tile dye lots and hardwood color runs shift, and the replacement will read as a patch.
- Match the factor to the layout, not the room. Herringbone in a small bathroom still consumes 20 percent. The pattern drives waste far more than the square footage does.
- Confirm carton coverage per product. Two tiles of the same nominal size can ship in cartons that differ by several square feet, which changes the carton count and the freight weight.
- Ask the installer before you cut the order. Trimming waste to save a carton is the most expensive savings in the trade — a mid-install shortage stops the job and risks a mismatched reorder.
- Plan overage for multi-phase and multi-unit work up front. If units three through twelve must match unit one, that decision is made at the first purchase order.
Counting individual tiles and boxes? Use the tile calculator for tile size, grout joint and box coverage.