Enter your room dimensions and tile size to get the exact number of tiles to buy — including the right waste factor.
Tile contractor? Get professional bid and invoice templates.
Download Contractor Templates →Always add at least 10% for straight lays, 15% for standard rooms, and 20%+ for diagonal patterns, herringbone, or rooms with lots of cuts. It's far cheaper to buy extra upfront than to reorder a discontinued tile later.
Measure the length × width of the floor in feet, then use this calculator. For around a toilet, tub, or vanity, measure the full room and subtract the fixed obstacle area (if more than 10 sq ft).