12x12 Tile Calculator
How many 12×12 inch tiles for a given area, with grout and waste worked in.
Tile math runs on your device — nothing is uploaded or storedTry: Room area=100, Area unit=sqft, Tile width=12, Tile height=12, Grout width=0.125, Waste=10, Tiles per box=10, Adhesive (lb/ft²)=0, Bag covers (ft²)=50 → 100.00 ft², 12 × 12 in, 98, 10%, 108, 11 (10/box), 7 lb
How to use
Twelve-by-twelve tiles are the most common floor size. Enter your area to see exactly how many to buy, rounded up with a 10% waste allowance.
FAQ
How many 12×12 tiles in a square foot?
One 12×12 tile covers 1 ft² before grout; with grout the calculator expands the footprint slightly, so you need a few more than the raw area.
How many come in a box?
Typically 10–15 per box; enter your box count to see how many boxes to order.