Flooring calculator
Tile calculator
Floor tile coverage and whole-package quantity with a visible cut allowance.
Calculator result and formula
Tile packages to order: 11 packages
Formula: L × W × (1 + waste) ÷ stated coverage
Formula ID: FLOOR-TILE-001 · Version 1.0.0.
Inputs
- Floor length: Finished tiled floor length Default: 12.
- Floor width: Finished tiled floor width Default: 10.
- Package coverage: Coverage stated on the selected tile package Default: 12.
- Waste factor: Allowance for cuts, pattern and breakage Default: 10.
How this calculator works
This calculator divides finished floor area plus a visible cut allowance by the coverage stated on the selected tile package.
- Measure finished floor length and width.
- Use the coverage printed on the selected tile package.
- Increase allowance for diagonal layouts, complex cuts or extra repair stock.
Worked example: Example: a 12 ft × 10 ft floor is 120 ft². With 10% waste and 12 ft² per package, it rounds to 11 packages.
Assumptions and limitations
- Coverage should use the selected manufacturer's product label or quoted net coverage.
- Waste is added before whole-unit purchase rounding.
- Complex layouts, seams or patterns can require a higher documented allowance.
Common questions
- Is 10% waste always enough?
- No. Waste depends on layout, room geometry, tile size and pattern; confirm the allowance with the installer.
- Does this calculate grout or trim?
- No. Add grout, trims, adhesive and substrate preparation separately.
Reference notes
Related calculators
Enable JavaScript to use the interactive calculator and save a project estimate.