DATUM

Tile and Flooring Calculator

Tiles, boxes and attic stock for a room, with a waste allowance sized to the lay pattern.

Tile & Flooring Calculator

How many tiles, how many boxes, and how much spare to keep. The spare is the part that matters: a discontinued run you cannot match is a whole-floor problem, not a repair.

Floor area
Area per tile
Tiles, no waste
Tiles with waste
Boxes to buy
Left over after the job

Tile counts assume a rectangular room and a straight lay; the waste allowance is what covers perimeter cuts, breakage and pattern loss. Boxes are always rounded up — you cannot buy part of a box, and the rounding is usually where the attic stock comes from for free.