Floor Tile Calculator
Estimate tile pieces, boxes and cost with grout spacing and waste.
- Enter room size and optional deduct area
- Tile size (cm), grout (mm), waste %, pcs/box and price
- Coverage per tile = (L+grout)×(W+grout)
- Pieces = ceil(net area ÷ coverage × (1+waste%)); boxes round up
Typical waste: straight ~5%, diagonal/pattern 8–15%. Buy extra from the same lot. Runs locally in your browser.