Pricing calculator

Use your supplier’s rate or enter a quoted total. Save each estimate to your project and print everything together.

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Your selected quantity already includes any allowance shown in that result. Check whether you are pricing individual items or whole packs. Delivery, tax and labour are not added automatically. A quoted total applies only to this saved calculation.

Plywood Calculator: measuring notes and method

List the pieces before buying sheets

Net face area divided by sheet area is a first quantity check. Draw a cutting layout for the actual pieces, keeping grain direction and cutting kerf in mind. A large offcut may still be too narrow for the next piece.

Separate grades and thicknesses

Do not combine sheets with different thicknesses or specifications into one area. Save each type as a named project item, then check support-edge and orientation requirements against the project details.

CHECK A PRACTICAL EXAMPLE

Equal area does not guarantee usable cuts

Compare area-only counts for 18 m² using two sheet lengths, both 1.2 m wide and with zero cutting allowance.

2.4 m sheets

Sheets to buy: 7
Net area: 18 m²

Try these inputs

3.0 m sheets

Sheets to buy: 5
Net area: 18 m²

Try these inputs

Fewer sheets may still produce awkward cuts. Lay out the required pieces, grain direction and saw kerf before choosing the stock size.

Fixed comparison in metric units. Values are illustrative unless linked to a recorded project; changing the calculator above does not change this example.

Formula

Sheets = (area − openings) × (1 + waste ÷ 100) ÷ (sheet length × sheet width), rounded up.

Worked examples in metric and imperial units

Illustrative values match Reset example and stay fixed when you edit the calculator. Both columns describe the same calculation; converted inputs are rounded.

Metric worked example

Total surface area: 24 m²
Openings / excluded area: 0 m²
Sheet length: 2.4 m
Sheet width: 1.2 m
Waste allowance: 10 %

Sheets to buy: 10

Imperial worked example

Total surface area: 258.3339 ft²
Openings / excluded area: 0 ft²
Sheet length: 7.874 ft
Sheet width: 3.937 ft
Waste allowance: 10 %

Sheets to buy: 10

Follow the calculation

Lengths in this working are in metres.

Net area = 24 − 0 = 24 m².
Area per sheet = 2.4 × 1.2 = 2.88 m².
Sheets = 24 × 1.1 ÷ 2.88, rounded up. Check the cutting layout separately.

Reviewed 19 October 2026. How calculations are checked · Report a correction

Related calculators

Stud CalculatorEstimate regularly spaced studs plus specified extras.Timber Volume & Board Feet CalculatorCalculate solid timber volume and board feet.Drywall CalculatorEstimate plasterboard sheets after deducting openings.

Understand the inputs. Check the order.

Measurement methods and worked examples to use alongside this calculator.

Turn linear metres into a timber cut listThe right total length can still be impossible to cut from the stock you ordered.

Check framing and sheet estimates around openingsUse spacing and area counts as starting checks, then add the details that the layout requires.

Build a measurement register you can check laterRecord where each number came from before it becomes part of a material order.

Choose an allowance you can explainSeparate measured quantity, cutting loss and uncertainty instead of adding an automatic percentage everywhere.

Browse all guides →

Plywood Calculator

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Sheets to buy