Find how many boxes of tile your project needs. Each dimension has its own unit selector (in/ft/yd/m).
Tile is sold by the box. Measure each area, multiply length by width, and add them up - the unit selector converts inches, feet, yards or meters. Divide the total by the coverage printed on the box (use the preset for common sizes). Add 10% for straight layouts and 15% or more for diagonal patterns and rooms with many cuts.
Use the tile calculator to estimate boxes from floor or wall area, box coverage and waste. It is useful before final layout, pattern orientation and trim piece counts are complete.
Start with the calculator that matches how your material is sold: area, length, volume, count, weight or electrical load. Enter one work area at a time, use the unit selector beside each measurement, then review the order quantity and cost fields before comparing supplier quotes.
Most calculators can save the current estimate in your browser, reload named estimates, print a copy, switch to dark mode or create a shareable link. Those tools are intended for planning and communication; always confirm final quantities, coverage rates, density, code requirements and pricing with the supplier or contractor responsible for the work.