Short answer: The most common full acrylic sheet is 48 × 96 in. (4 × 8 ft), about 1220 × 2440 mm. Manufacturers also stock larger sheets such as 48 × 120, 60 × 96, 60 × 120, and 72 × 120 in. (Acrylite extruded runs from 48 × 96 to 72 × 120 in.), and stores sell precut sizes like 24 × 48 and 12 × 24 in. Full sheets are often made slightly oversize, up to about 1/4 in. on 48 × 96 stock, so a fabricator can trim clean edges.
Key facts
- Standard full sheet: 48 × 96 in. (4 × 8 ft).
- Common larger stock (Plaskolite Optix): 48 × 120, 49 × 97, 51 × 100, 60 × 96, 60 × 120, 72 × 96, and 75 × 100 in.
- Acrylite Premium extruded: 48 × 96 to 72 × 120 in., 0.060 to 0.472 in. thick.
- Specialty sheet: acrylic mirror and many colors are made mainly in 48 × 96 in.; Tru Vue's museum framing acrylic goes up to 72 × 120 in.
- Size tolerance: Plaskolite cuts 48 × 96 in. stock to −0/+1/4 in.
- Weight: a full 4 × 8 sheet of 1/4 in. (6 mm) acrylic weighs about 47 lb.
Common acrylic sheet sizes
| Size (in.) | Size (ft) | Approx. metric | Where you'll see it |
|---|---|---|---|
| 48 × 96 | 4 × 8 | 1220 × 2440 mm | The standard full sheet from most manufacturers and distributors |
| 48 × 120 | 4 × 10 | 1220 × 3050 mm | Stocked by major makers in common clear thicknesses |
| 60 × 96, 60 × 120 | 5 × 8, 5 × 10 | 1520 × 2440, 1520 × 3050 mm | Larger panels, signs, glazing |
| 72 × 96, 72 × 120 | 6 × 8, 6 × 10 | 1830 × 2440, 1830 × 3050 mm | Largest common stock; mostly clear |
| 49 × 97, 51 × 100, 75 × 100 | Sign-industry sizes with trim allowance | ||
| 36 × 72, 24 × 48, 24 × 36 | 3 × 6, 2 × 4, 2 × 3 | 915 × 1830, 610 × 1220, 610 × 915 mm | Common in hardware and home stores |
| 18 × 24, 12 × 24 | Precut store sizes | ||
| 8 × 10, 11 × 14, 16 × 20 | Precut picture frame sizes |
Exact availability depends on the manufacturer, the thickness, and the color. Specialty sheet such as mirror, fluorescent, and non-glare is often only made in the standard 48 × 96 in. size or smaller. In Europe, cast sheet is commonly made in metric sizes such as 2030 × 3050 mm, which are rare in North America.
Is a 4 × 8 sheet exactly 48 × 96 in.?
Not usually. Sheets are often made a little oversize so the edges can be trimmed clean: Plaskolite cuts Optix 48 × 96 in. stock to −0/+1/4 in., and ships acrylic mirror with about 1 in. extra length. Sign-industry sizes such as 49 × 97 in. build the trim allowance into the name. Metric-made sheet sold as 4 × 8 is 1220 × 2440 mm, about 48.03 × 96.06 in. Edges of a full sheet can also have small chips or a rough factory edge, so a fabricator normally trims them and doesn't count the very edge as usable. Thickness is a different story: it's nominal, and rarely matches the label.
How parts nest on a sheet
When we cut parts, we arrange them on a sheet as tightly as possible. That's called nesting. A few things decide how many fit:
- Spacing between parts. Laser cutting removes only about 0.006 to 0.010 in. of material, but parts still need a little space between them so the cut edges stay clean.
- Trim margin. A small margin around the edge of the sheet is set aside.
- Shape. Rectangles nest efficiently. Circles and odd shapes leave gaps, though small parts can often fill them.
- Size in relation to the sheet. Parts that divide evenly into 48 × 96 in. waste almost nothing. A part just over half a sheet, say 25 × 49 in., wastes a lot, because only one fits where two almost would.
Plan a batch with the acrylic sheet yield calculator.
Tip: if your design is flexible, size big parts to divide evenly into 48 × 96 in. For example, 23.75 × 47.75 in. panels fit four to a sheet with room for cutting, while 24.25 × 48.25 in. panels fit only one per sheet.
Why ordering cut to size usually saves money
- You pay for what you use, not for a whole sheet with offcuts you'll never touch.
- Shipping is far cheaper. A full 4 × 8 ft sheet is too big for parcel carriers and usually ships by freight. Cut parts ship in regular boxes.
- No tools or mistakes. Acrylic chips and cracks easily with the wrong saw blade or drill bit, and a cracked cut wastes the sheet. See how to cut acrylic at home if you want to try it.
- Better edges. Laser-cut edges come off glossy and ready to use; routed edges can be flame or diamond polished.
See your price instantly for any size in the instant quote, or browse acrylic cut to size.
What if I need a panel bigger than 48 × 96 in.?
Bigger parts are possible, but they depend on sheet availability for the thickness and color, and on shipping. We confirm oversize panels by hand rather than through the instant quote. If a single piece isn't practical, a large panel can often be split into two or more pieces with a seam placed where it won't show, or joined in a frame. Big panels also get heavy quickly: 1/4 in. (6 mm) acrylic weighs about 1.46 lb per square foot, so a full 4 × 8 sheet is about 47 lb. See acrylic weight per square foot.
Also allow for movement. Acrylite says a 48 in. panel expands and contracts about 0.002 in. per °F, or about 3/16 in. over a 100 °F swing, so large panels need room in their frames.
Questions
What's the biggest acrylic sheet you can get?
Standard stock tops out around 72 × 120 in. for clear sheet, with most colors at 48 × 96 in. Plaskolite runs Optix to order up to 104 in. wide and 216 in. long, and very large panels for aquariums and architecture are custom cast as a specialty product.
Can I order a full sheet?
Yes. Enter 48 × 96 in. in the instant quote. Full sheets are too large for parcel carriers, so they usually ship by freight, or you can pick up by appointment in Spanish Fork, Utah.
Do you cut metric sizes?
Yes. Divide millimeters by 25.4 to get inches, or upload a drawing drawn in millimeters; we cut to the size you give us within normal tolerances (about ±0.005 in. for laser cutting).
What is a 4 × 8 acrylic sheet in mm?
48 × 96 in. is 1219 × 2438 mm; metric-made sheet sold as 4 × 8 is usually 1220 × 2440 mm.