Calculators
Floor Tile Calculator
Large-format floor tile needs a higher waste allowance — pattern match and breakage on big pieces add up. This preset uses 20% waste on a 13 by 15 ft room.
Square feet per box is editable because carton sizes differ by tile dimension. The assumptions block lists every figure used.
Controls below set room size, waste, and coverage.
| Item | Area | Size | Buy |
|---|---|---|---|
| Tile | — | 234 sq ft | 20 boxes |
Assumptions
- Room size: 13 × 15 ft
- Area: 195 sq ft
- Waste factor: 20%
- Area with waste: 234.0 sq ft
- Coverage per box: 12 sq ft (check the carton)
- Estimates only. Check the coverage figure on your product before buying.
Supplies checklist
- Underlayment — 3 rolls (~100 sq ft each)
- Thinset mortar — ~5 bags
- Grout — ~3 bags
- Tile spacers
- Notched trowel
Estimates only. Check the coverage figure on your product before buying.
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