ContractorHandbook

How Much Flooring for a 10x14 Room?

Boxes to order

7 boxes

140 square feet of floor, ten percent waste, boxes of 22.5 square feet.

It does not stop at a number.

When the figures look right, the flooring material list downloads as a real PDF with your business details on it, built inside your own browser. Nothing you type is uploaded anywhere.

waste10%room area, sq ftone box covers a fixed number of square feetarea with waste / coverage per box = boxes, rounded up
Flooring is sold by the box and installed by the plank, so the only number that matters on the label is the square feet per box. The waste allowance covers the cut at each wall and the offcut that starts the next row.

How that number is worked out

These are the figures this page was built with and every line the calculator produces from them. Change anything above and all of it moves.

  • Floor area140 sq ft
  • Coverage per box or carton22.5 sq ft
  • Waste allowance10 %

Boxes to order7 boxes

Floor area140 sq ft
With 10% waste154 sq ft
Boxes at 22.5 sq ft7
Coverage bought157.5 sq ft
Left over17.5 sq ftkeep it for repairs

The material list this produces

Flooring, boxes7
Underlayment, sq ft140
Transition strips, each2

Waste allowance compared

Waste is set by how you lay it, not by how careful you are. Straight lay to herringbone, same room.

Waste allowanceBoxes to orderWith 10% wasteLeft over
5%7 boxes147 sq ft17.5 sq ft
10%7 boxes154 sq ft17.5 sq ft
15%8 boxes161 sq ft40 sq ft
20%8 boxes168 sq ft40 sq ft

What else matters here

A hundred and forty square feet with ten percent is 154, seven cartons, 157.5 square feet bought. That leaves 17.5 spare, which is tight enough that a single bad cut matters.

The material list on this page includes two transition strips, and that is a placeholder rather than an answer. Count the openings: every doorway, every change of material, and the top of every stair needs a piece, and they are not the same piece.

A T-molding joins two floors of the same height and hides the expansion gap on both sides. A reducer steps down to something thinner, like tile to vinyl. A threshold or end cap finishes against carpet, a slider track or a hearth. Order them in the matching color with the flooring, because they come out of the same batch and are much harder to find later.

What this calculator assumes

  • 10 percent waste covers a straight lay in a simple rectangle. Go to 15 for a diagonal or herringbone lay, and 20 if the room is cut up with closets and angles.
  • Buy the whole job in one delivery. Dye lot and batch shade move between production runs, and a single replacement box six months later will not match.

Questions people ask

How many boxes of flooring for a 10x14 room?

About 7 boxes at 22.5 square feet each, covering 140 square feet with ten percent waste.

What transition strips do I need?

A T-molding between two floors of the same height, a reducer where the next floor is thinner, and an end cap or threshold against carpet, a door track or a hearth.

Should I buy transitions with the flooring?

Yes. They are made in the same batch and color run as the planks, and matching them from a later order is difficult.

Different numbers?

The flooring calculator takes any dimensions you like and hands back the same list.

Other common sizes