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Compare plywood sheet sizes in millimetres and feet, find the dimensions of an 8x4 plywood sheet, compare common panel formats and work out how many sheets you need for your project.
Plywood is available in a wide range of sheet dimensions, from small handy sized panels through to large full sheets. One of the most familiar plywood sheet sizes in the UK is 2440 × 1220mm, commonly described as an 8x4 plywood sheet.
However, 8x4 is not the only plywood sheet size available. Smaller formats can be easier to carry, transport and cut, while some specialist plywood products are manufactured in different dimensions.
Select a common plywood size to see its metric dimensions, imperial description and approximate sheet area.
The table below provides a quick reference for commonly used plywood dimensions in the UK. Imperial descriptions are generally nominal, so the exact dimensions shown on an individual product should always take priority.
| Common description | Metric size | Approx. area | Typical uses |
|---|---|---|---|
| 8 × 4ft | 2440 × 1220mm | 2.98m² | Construction, flooring, furniture, joinery and larger panels |
| 6 × 4ft | 1830 × 1220mm | 2.23m² | Furniture, joinery, vehicle lining and general projects |
| 5 × 4ft | 1525 × 1220mm | 1.86m² | Furniture, cabinetry, panelling and DIY projects |
| 4 × 4ft | 1220 × 1220mm | 1.49m² | Shelving, cabinets, furniture and smaller projects |
| 4 × 3ft | 1220 × 915mm | 1.12m² | Repairs, shelving, panelling and smaller components |
| 4 × 2ft | 1220 × 610mm | 0.74m² | Shelving, cabinets, repairs and smaller panels |
| 4 × 1ft | 1220 × 305mm | 0.37m² | Strips, shelving, repairs and smaller components |
Different plywood sheet sizes can make a significant difference to handling, cutting and material waste. A full 8x4 sheet is useful for larger cutting plans, while smaller formats can be more convenient for individual components.
Approximately 2.98m². A familiar full sheet format for larger projects.
Approximately 2.23m². Useful where a full 8x4 sheet is unnecessary.
Approximately 1.86m². A useful middle size for furniture and joinery.
Approximately 1.49m² and easier to handle than a full sheet.
Approximately 0.74m² for smaller panels, shelving and components.
Useful where buying and handling a complete 8x4 sheet would be unnecessary.
8x4 plywood is approximately 2440 × 1220mm.
The term 8x4 comes from the traditional imperial description of a sheet approximately 8 feet long and 4 feet wide.
You may therefore see the same general sheet format described as:
For example, 18mm 8x4 plywood means approximately 2440mm long × 1220mm wide × 18mm thick.
If you are working from metric drawings but are familiar with imperial sheet sizes, this table provides a useful conversion reference.
| Search term | Metric dimensions | Imperial description | Approx. area |
|---|---|---|---|
| 8x4 plywood | 2440 × 1220mm | 8ft × 4ft | 2.98m² |
| 6x4 plywood | 1830 × 1220mm | 6ft × 4ft | 2.23m² |
| 5x4 plywood | 1525 × 1220mm | 5ft × 4ft | 1.86m² |
| 4x4 plywood | 1220 × 1220mm | 4ft × 4ft | 1.49m² |
| 4x3 plywood | 1220 × 915mm | 4ft × 3ft | 1.12m² |
| 4x2 plywood | 1220 × 610mm | 4ft × 2ft | 0.74m² |
| 4x1 plywood | 1220 × 305mm | 4ft × 1ft | 0.37m² |
Not every plywood product follows the familiar 2440 × 1220mm format. Specialist plywood and products manufactured in different regions can be supplied in other dimensions.
| Sheet dimension | Common description | Approx. area | Note |
|---|---|---|---|
| 2400 × 1200mm | Approx. 8 × 4ft | 2.88m² | Used on some plywood products |
| 2500 × 1250mm | European full sheet | 3.13m² | Found on selected European plywood products |
| 1525 × 1525mm | 5 × 5ft | 2.33m² | Available on selected specialist products |
| 3050 × 1220mm | 10 × 4ft | 3.72m² | Large format specialist plywood |
You do not always need to buy a complete 2440 × 1220mm sheet. Handy sized plywood can be a much more practical option for smaller jobs, particularly where only one or two panels are required.
Depending on the plywood type and thickness, smaller formats can include sizes such as 305 × 305mm, 610 × 305mm, 610 × 610mm, 915 × 610mm and 1220 × 610mm.
Smaller plywood sheets can be useful for shelving, cabinet panels, furniture components, repairs, panelling and workshop projects. They can also reduce unnecessary cutting and make handling easier.
Browse All PlywoodEnter your project dimensions and select a plywood sheet size to get an area-based estimate. Allow additional material where your cutting layout creates waste or where the project contains multiple components and openings.
The area covered by a plywood sheet can be calculated by multiplying its length by its width after converting the dimensions into metres.
This is the theoretical sheet area. The usable area of a sheet can be lower once cutting waste, saw kerf, joints, openings and the shape of individual components are considered.
Sheet dimensions and plywood thickness are separate measurements. A plywood sheet can have the same length and width while being available in several different thicknesses.
| Thickness | Common considerations |
|---|---|
| 4mm | Lightweight panels, backing panels and smaller components |
| 6mm | Panelling, cabinet components, linings and general DIY |
| 9mm | Furniture components, panelling and general projects |
| 12mm | Shelving, cabinetry, furniture and joinery |
| 15mm | Furniture, joinery and thicker panel requirements |
| 18mm | Flooring, shelving, furniture, joinery and selected structural applications |
| 22mm | Heavier-duty joinery and thicker panel requirements |
| 25mm | Heavy-duty panels and applications requiring substantial thickness |
Thickness should not be selected by sheet size alone. Plywood grade, construction, support spacing, loading, fixing method and intended environment also need to be considered.
Smaller plywood sheets can be convenient for cabinet sides, shelves, doors and individual furniture components. A full 8x4 sheet can be more efficient when several components are being cut from the same panel.
For shelving, consider thickness, span and support arrangement as well as the sheet dimensions. A smaller sheet may be easier to handle, but it does not automatically make the finished shelf suitable for a particular load.
For flooring applications, sheet size is only one part of the specification. Thickness, plywood grade, support spacing and fixing method also need to be considered.
Smaller plywood panels can be easier to move and position when lining a vehicle. The most suitable size depends on the shape of the area and how many joints are acceptable.
For outdoor or moisture-prone applications, plywood grade and bonding quality are important as well as thickness. The appropriate plywood specification should be checked before ordering.
View Marine PlywoodOnce you know the sheet size you need, selecting the correct thickness and plywood type is the next step. Plywood Etc offers a range of plywood sizes and thicknesses.
2440 × 1220mm, commonly called 8x4 plywood, is one of the most familiar full sheet formats in the UK. Other sizes are available, including smaller handy sized panels and specialist formats.
An 8x4 plywood sheet is approximately 2440mm long by 1220mm wide and covers approximately 2.98m².
Generally, yes. 8x4 is the commonly used imperial description for a sheet approximately 8 feet by 4 feet, while 2440 × 1220mm is the metric description normally used for the same general format.
Plywood is available in many dimensions. Common formats include 2440 × 1220mm, 1830 × 1220mm, 1525 × 1220mm and 1220 × 1220mm, with smaller handy sizes and specialist dimensions available on selected products.
Yes. Plywood Etc offers selected plywood products in handy sized sheets. These can be useful for smaller projects, repairs, shelving, furniture components and situations where a full 8x4 sheet is unnecessary.
A 2440 × 1220mm plywood sheet covers approximately 2.98m² before allowing for cutting waste, joints or openings.
No. Length, width and thickness are separate measurements. For example, 2440 × 1220 × 18mm describes the length, width and thickness of the plywood sheet.
The required sheet size depends on the dimensions of the shelves you are making. Thickness, span, support spacing and expected loading are also important when selecting plywood for shelving.
No. Actual dimensions can vary between manufacturers and products, and imperial descriptions are often nominal. Always check the exact product dimensions before preparing a cutting list.
Plywood Etc supplies plywood in a range of sheet sizes and thicknesses, including full 8x4 sheets and smaller handy formats. Browse the range by plywood type or thickness to find a sheet suited to your project.
The most familiar full plywood sheet size in the UK is 2440 × 1220mm, commonly known as 8x4 plywood. It provides approximately 2.98m² of sheet area, although smaller formats can be more practical where handling, transport or cutting requirements make a full sheet unnecessary.
When choosing plywood, consider sheet dimensions, thickness, plywood grade, construction, bonding quality and intended application. The largest available sheet is not always the most suitable option.
Use the size finder and calculator above to plan your material requirements, then browse the Plywood Etc plywood range for the thickness and specification required for your project.