builders.tools

Floors & walls

Flooring Calculator

How many boxes of laminate, vinyl plank or hardwood flooring you need for a room, plus skirting length and optional total cost.

Units

How much flooring do I need?

Measure the room's length and width, multiply, and add 7–10% for cutting waste. Flooring is sold in boxes or packs covering a fixed area, printed on the label, so divide and round up.

L-shaped rooms

Split the room into rectangles, calculate each one and add them up.

Before you lay it

  • Leave the packs in the room for 48 hours so the planks adjust to temperature and humidity.
  • Leave an expansion gap of about 10 mm (⅜ in) along every wall. The skirting covers it.
  • Mix planks from several boxes to spread out colour differences.

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