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What size is A4 anyway? And how does it compare to A3 or A5? If you’ve ever found yourself searching for a paper size guide, you’re not alone.
Choosing the right paper size isn’t just a minor detail — it affects design, readability, cost, and the final impact of your print. Whether you’re printing brochures, flyers, booklets, or signage, getting the size right ensures a professional finish every time.
To make it easy, we’ve put together a quick-reference guide to standard paper sizes, their dimensions, and what they’re commonly used for. Because in print, size really does matter.
Standard Paper Sizes in Printing
Below is a visual size guide for the most common paper dimensions used across print marketing, stationery, and signage.
The Dimensions...
💡 Tip: The A-series sizes (A0–A6) follow a reverse scale halving system, meaning each size is half the size of the one above it. The lower the number, the bigger the size!
| Paper Size | Dimensions |
|---|---|
| A0 | 841 x 1189 mm |
| A1 | 594 x 841 mm |
| A2 | 420 x 594 mm |
| A3 | 297 x 420 mm |
| A4 | 210 x 297 mm |
| A5 | 148 x 210 mm |
| Paper Size | Dimensions |
|---|---|
| A6 | 105 x 148 mm |
| A7 | 74 x 105 mm |
| DL | 99 x 210 mm |
| DLX | 240 x 130 mm |
| C4 | 229 x 324 mm |
| B. CARD | 90 x 55 mm |
What Paper Size Should You Use?
If you’re not sure which size is best for your project, here’s a quick breakdown of common uses by size:
| Paper Size | Dimensions |
|---|---|
| A0 | Large posters, PVC foam boards, corflute signage |
| A1 | Exhibition posters, corflute signs, event signage |
| A2 | Medium-size posters, foam board signage |
| A3 | Menus, posters, PVC foam signs |
| A4 | Letterheads, brochures, flyers, booklets |
| A5 | Flyers, brochures, folded cards, booklets |
| A6 | Flyers, postcards, folded cards |
| DL | Brochures, postcards, menus, flyers |
| DLX | Envelopes (larger than DL) |
| C4 | Envelopes (fits A4 documents without folding) |
| B. CARD | Business cards, loyalty cards, appointment cards |
Need Help Choosing?
Still not sure what paper size is best for your next print project? Every product we offer has an artwork template available for each size option, making setup easy and hassle-free.
Explore our full range of print products to find the perfect fit.
💡 Bonus Tip: Bookmark this page (or print it out!) to keep your paper size guide handy for all your future print jobs.
