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Vinyl Flooring Calculator

Work out how much vinyl flooring a room needs — luxury vinyl planks (LVT/LVP) by plank and box, and sheet vinyl by the roll — with a cutting allowance for each.

Vinyl comes in two very different forms, and this calculator covers both: planks (LVT/LVP) counted piece by piece, and sheet vinyl measured off the roll like carpet.

Enter the plank details for a plank count, the roll width for a sheet count — or both, if you are comparing the two options for the same room.

Printed on the box — e.g. 24 sq ft or 2.23 sq m per box.
7% is standard for vinyl planks; use 10% for sheet vinyl.
Only needed for the sheet vinyl result — standard rolls are 12 ft (3.66 m) or 2 m / 4 m.
Enter your local price per box to estimate the plank cost.

Formula

room area = room length × room width plank area = plank length × plank width planks needed = ⌈ (room area ÷ plank area) × (1 + wastage ÷ 100) ⌉ boxes needed = ⌈ (room area × (1 + wastage ÷ 100)) ÷ coverage per box ⌉ sheet area = room area × (1 + wastage ÷ 100) sheet strips = ⌈ room width ÷ roll width ⌉

All lengths are converted to a single unit before the calculation: 1 ft = 0.3048 m, 1 in = 25.4 mm, 1 ft² = 0.09290304 m², 1 yd² = 9 ft². Material quantities are rounded up — you cannot buy part of a tile, plank or bag.

How to use this calculator

  1. Measure the room wall to wall.
  2. For planks (LVT/LVP): enter plank size and box coverage.
  3. For sheet vinyl: enter the roll width to get strips and linear length.
  4. Use 7% wastage for planks, 10% for sheet vinyl.

Worked example

Room10 ft × 12 ft = 120 ft²
Plank36 in × 6 in = 1.5 ft² per plank
Raw planks120 ÷ 1.5 = 80 planks
Planks with 7% wastage⌈80 × 1.07⌉ = 86 planks
Boxes (24 ft² per box, 7% wastage)⌈(120 × 1.07) ÷ 24⌉ = ⌈5.35⌉ = 6 boxes

Check it by hand: every step above uses the formula in the box. If your numbers match the example inputs but the calculator gives a different answer, please report it via the contact page.

Frequently asked questions

What is the difference between LVT and sheet vinyl?

LVT (luxury vinyl tile) and LVP (luxury vinyl plank) are rigid planks or tiles that click or glue down one piece at a time. Sheet vinyl is a single flexible sheet cut from a roll. Planks suit most rooms; sheet suits wet rooms because it has almost no seams.

How much wastage for vinyl flooring?

Allow 7% for click-together vinyl planks — they cut cleanly and offcuts are reusable. Allow 10% for sheet vinyl, where a miscut wastes a large piece, and 10–15% for patterned sheet that must match.

Can vinyl flooring go in a bathroom?

Yes — vinyl is one of the best bathroom floors. Sheet vinyl with sealed edges is effectively waterproof, and most LVT is water-resistant. Avoid standard laminate in the same room.

Do I need underlay under vinyl planks?

Most click vinyl has an attached underlay or needs none; check the manufacturer's instructions. Uneven subfloors still need levelling compound first — vinyl shows every bump.

Related calculators

Estimates only. Results are for planning. Measure twice, confirm box coverage and tile sizes on the packaging you buy, and follow the manufacturer's instructions. See the disclaimer.