Global calculator · Home projects

Flooring & Tile Quantity Calculator

Flooring orders require two rounds of rounding: pieces after the waste allowance, then whole packs. Choose metric or feet, enter room and piece dimensions in the same system, and use the manufacturer's pieces-per-pack value. The result exposes net area, exact piece count, order count and full packs so pattern, cuts and spares do not disappear inside one rounded number.

No account Formula visible Your rate and units

Use your evidence

What to have beside you

Use the current bill or tariff sheet, exact product label, location-specific solar estimate, or measured project dimensions. Example physical values teach the tool; zero money rates prevent an unsourced price from becoming a default claim.

USUSA GBUK AUAustralia AEUAE CACanada EUEU NZNew Zealand SGSingapore

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Your values

Every input includes a simple explanation.

Simple wordsFormula shownPrivate inputs

Simple viewUsing editable example assumptions for technical settings.

Measurement systemUser-entered value — example shownThe measurement unit used for the dimensions you are entering.

Floor lengthUser-entered value — example shownThe end-to-end measurement of the wall, room, slab, bar, or surface.

Floor widthUser-entered value — example shownThe side-to-side measurement of the room, slab, tank, or surface.

Area not coveredUser-entered value — example shownAny part of the measured surface that will not receive tiles or flooring.

m²

Piece lengthManufacturer-specific value — example shownThe end-to-end size of one tile or flooring plank.

Piece widthManufacturer-specific value — example shownThe side-to-side size of one tile or flooring plank.

Pieces per packManufacturer-specific value — example shownHow many tiles or flooring pieces the manufacturer packs in one box.

pieces

Private: calculations run in your browser; a saved scenario stays on this device.

Your result

Packs to order

Pieces are rounded up after the allowance; packs are then rounded up to whole packages.

Net floor area20 m²

Exact pieces55.56

Pieces after allowance62

Pieces in full packs64

Preliminary quantity only. This result is not structural design, reinforcement approval or a safety instruction.

How this was calculated

Formula used

Net floor area ÷ one-piece area gives exact pieces; apply waste, round pieces up, then round packs up

Your values in the formula

20 area ÷ 0.36 area/piece × (1 + 10%) = 61.11 pieces; round up to 62, then 16 packs

Assumptions and rounding

Every piece is treated as a full rectangle.
Pattern, batch matching and installer layout may require a different allowance.

Layout, directional patterns, batch matching, breakage, perimeter cuts and installer practice can change the final order.

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What the result means

Use it as a scenario

Layout, directional patterns, batch matching, breakage, perimeter cuts and installer practice can change the final order.

A 5 m × 4 m room has 20 m² before exclusions. A 600 mm square tile covers 0.36 m².

What can change

Check before deciding

01Room and piece dimensions must use the selected system.
02A herringbone or diagonal layout may need a different allowance.

Formula and context sources

Verify this calculation

Source links establish context or measurement relationships. Your personal rate and project values remain your inputs.

Globalmeasurement

The International System of Units

Bureau International des Poids et Mesures

Primary international reference for SI units.

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USAmeasurement

SI Units

National Institute of Standards and Technology

Official SI measurement guidance used to distinguish units.

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Australiabuilding

National Construction Code for homeowners

Australian Building Codes Board

Explains how the NCC applies; material estimates do not certify compliance.

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Canadabuilding

Canada's national model codes

National Research Council Canada

Official model-code entry point; local adoption must be checked.

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Written and maintained by Tilock SadhukhanReviewed 21 July 2026Version 1.0