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Calculate how many floor or wall tiles you need. Enter room size, tile dimensions, grout gap, and waste percent for accurate tile count and coverage.
Estimate hardwood flooring for your room. Enter dimensions and plank size to get square footage, box count, and plank quantity with 10% cut waste included.
Calculate carpet square footage and linear feet from room size and roll width. Estimate seams, waste, and total carpet to order for wall-to-wall installation.
Each tile intersection needs one spacer. Four corners per tile, shared with adjacent tiles, plus 5% for breakage and T-intersections at edges.
Spacers = Tiles × 4 (corners) × 1.05 (buffer)Updated: July 2026
For 120 tiles with 4 spacers each plus 5% buffer: approximately 504 spacers. Buy a bag of 500+.
Tile spacers maintain uniform grout joint width during installation. This calculator estimates the total spacer count based on your tile layout.