Flooring Quantity Calculator for Hardwood, Laminate & Vinyl
Calculate exact flooring quantities for any layout — enter your room, board and layout details to get a precise ordering specification, including wastage and pack quantity.
How would you like to work?
Flooring Specification
How to Use This Flooring Calculator
- Choose Metric or Imperial to set your working units.
- Select your material type — Hardwood, Engineered Wood, Laminate, or Vinyl/LVT.
- Enter the room length and width.
- Choose your layout pattern — this sets the wastage percentage automatically, or choose Custom % to enter your own.
- Enter your board length and width.
- Optionally enter boards per pack to get a pack count alongside the board count.
- Click Calculate for your total area, board count and pack quantity.
Understanding Flooring Wastage by Layout Pattern
Just like tiling, every flooring layout produces offcuts, and more elaborate patterns produce more of them. A standard straight layout needs around 10% extra to cover cuts at the room's edges. Herringbone and chevron patterns need considerably more — 15–20% — since every board at the border needs an angled cut to complete the zigzag. Diagonal layouts sit in between at around 15%, and complex geometric patterns like Versailles panels or basketweave carry the highest wastage of all, up to 23%, reflecting the skill and precision cutting these installations require.
Material type doesn't change the wastage calculation itself, but it does affect installation — solid hardwood needs an acclimatisation period and expansion gap, engineered wood tolerates underfloor heating, and laminate always needs an underlay.
Worked Example: Herringbone Engineered Wood Flooring
Take a 500cm × 400cm room (20m²) laid in herringbone with 600mm × 120mm engineered wood boards. At 18% wastage, the total area to order comes to 23.6m². Each board covers 0.072m², so the room needs 328 boards in total. At 10 boards per pack, that's 33 packs to order.
Frequently Asked Questions
How much flooring do I need for a room?
It depends on the room's net area, the board size, and the layout pattern chosen — herringbone and complex geometric patterns like Versailles or basketweave need considerably more wastage allowance than a standard straight layout. Use the calculator above with your own measurements for an exact board and pack count.
What's the wastage allowance for herringbone versus chevron flooring?
Herringbone and chevron are grouped together at around 15–20% wastage for flooring, since both use many small angled cuts at the room's edges and corners. This is notably higher than a standard straight layout, which needs around 10%.
What's the difference between engineered wood and solid hardwood flooring?
Engineered wood is more dimensionally stable than solid hardwood, tolerates humidity changes better, and is suitable for use over underfloor heating. Solid hardwood needs 48–72 hours to acclimatise to the room before installation and expands and contracts seasonally.
How do I convert a board count into the number of packs to order?
Enter the number of boards per pack, usually printed on the pack itself, and the calculator divides your total board count by that figure and rounds up, so you always order in full packs.
Which flooring layout has the least wastage?
A standard straight layout has the lowest wastage of the common patterns, at around 10%, since it produces the fewest offcuts. Diagonal layouts need around 15%, and complex patterns like Versailles or basketweave need up to 23%.