Tile Calculator
Find how many tiles, mortar, and grout you need
Frequently Asked Questions
Divide the room's area by the area of one tile, round up, then add a waste allowance (typically 10%) for cuts and breakage.
It depends on trowel notch size and tile size, but roughly 0.15-0.25 lb per square foot for standard tile installations is a common planning figure.
Grout volume depends on tile size and joint width — smaller tiles with wider joints need much more grout per square foot than large tiles with narrow joints.
10% is typical for a straightforward rectangular room; use 15% or more for diagonal layouts, many cuts, or a complex room shape.