12×24 Tile Calculator
Pre-set for 12×24 in (2 sq ft) rectangular tiles. Enter room dimensions to find how many tiles and boxes you need.
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Frequently Asked Questions
A 12×24 in tile covers 2 sq ft (1 ft × 2 ft). To tile 100 sq ft you need ⌈100 / 2 × 1.10⌉ = 55 tiles with 10% waste.
For floors, most installers recommend the "brick" or "running bond" pattern with the long side perpendicular to the longest wall, offsetting rows by 1/3 to 1/2 the tile length. Avoid lining up all grout joints — it weakens the installation. Your tile setter can advise on the best layout for your room.
Common quantities are 4–8 tiles per box covering approximately 8–16 sq ft. The box label always lists the exact tile count and total square footage — use that number.
Use 10% for a simple grid or running-bond pattern. Use 15% for rooms with many cut lines around cabinets or fixtures. Use 15–20% for a herringbone or diagonal pattern.
Yes. 12×24 is popular for shower walls and bathroom feature walls. For vertical installations, your tile adhesive must be rated for wall use and large-format tiles. Consult your adhesive manufacturer's data sheet.