Flooring Calculator

Calculate boxes of laminate, vinyl plank or engineered flooring for a room, plus underlayment.

ft²
$

Boxes

10

  • Flooring with waste184.8 ft²
  • Room area168 ft²
  • Underlayment168 ft²
  • Material cost$0

Estimates only. Round up when you order, and confirm structural details with your local building code.

How to use it

  1. Enter the room size.
  2. Enter the coverage per box from the label.
  3. Pick the layout for the waste allowance.

The formula

Boxes = area × (1 + waste) ÷ box coverage

Worked example

Room length14 ft
Room width12 ft
Coverage per box20 ft²
Flooring typeLaminate / LVP, straight lay (10% waste)
Price per ft² (optional)0 $

Result

Boxes10
Flooring with waste184.8 ft²
Room area168 ft²
Underlayment168 ft²
Material cost$0

Tips before you order

  • Let laminate and wood acclimate in the room for 48 hours before installing.
  • Measure each room separately and add them — closets included.

Questions

How much extra flooring should I buy?

7–10% for straight layouts, 15% for diagonal or herringbone.