A8 paper size and dimensions
A8 measures 52 × 74 mm, which is 5.2 × 7.4 cm or 2.05 × 2.91 inches. One A4 sheet gives exactly 16 pieces of A8.
Contents of this page
A8, portrait
52 × 74mm
- Centimetres
- 5.2 × 7.4 cm
- Inches
- 2.05 × 2.91 in
- Pixels at 300 dpi
- 614 × 874 px
- Points (pt)
- 147 × 210 pt
- Area
- 0.0038 m²
- Weight at 80 gsm
- 0.31 g
A8 is slightly smaller than a bank card in both directions, so it fits any card slot in a wallet. That makes it popular for flashcards, small notes, tags and labels. It is too short for a business card, though: a UK business card is 85 × 55 mm.
A8 in every unit
| Unit | Width × height |
|---|---|
| Millimetres | 52 × 74 mm |
| Centimetres | 5.2 × 7.4 cm |
| Metres | 0.052 × 0.074 m |
| Inches | 2.05 × 2.91 in |
| DTP points (1/72 in) | 147 × 210 pt |
| Area | 38.5 cm², or 0.0038 m² |
| Diagonal | 90.4 mm |
| Aspect ratio | 1 : 1.423 |
A8 in pixels
| Resolution | Pixels | Megapixels | Good for |
|---|---|---|---|
| 72 dpi | 147 × 210 px | 0.03 MP | Screen, preview |
| 96 dpi | 197 × 280 px | 0.06 MP | Screen (Windows default) |
| 150 dpi | 307 × 437 px | 0.13 MP | Large format, posters seen from a distance |
| 300 dpi | 614 × 874 px | 0.54 MP | Offset and digital print |
| 600 dpi | 1228 × 1748 px | 2.1 MP | Line art, fine detail |
With 3 mm bleed the document is 58 × 80 mm, which is 685 × 945 px at 300 dpi.
What A8 is used for
- Flashcards for vocabulary, often in A8 card boxes with several compartments
- Gift tags, price tags and shelf labels
- Mini notepads for a pocket
- Cards and pieces for home-made learning games
A8 and common card sizes
| Card | Size | Compared with A8 |
|---|---|---|
| A8 | 52 × 74 mm | |
| Bank card (ID-1) | 53.98 × 85.6 mm | 2 mm wider, 11.6 mm longer |
| Business card (UK, EU) | 55 × 85 mm | 3 mm wider, 11 mm longer |
| B8 | 62 × 88 mm | 10 mm wider, 14 mm longer |
| Poker card | 63.5 × 88.9 mm | almost the size of B8 |
How many A8 pieces fit on a sheet?
| Sheet | Without bleed | With 3 mm bleed and 5 mm margin |
|---|---|---|
| A4 (210 × 297 mm) | 16 | 9 |
| A3 (297 × 420 mm) | 32 | 21 |
| SRA3 (320 × 450 mm) | 36 | 26 |
In theory 16 pieces of A8 fit on A4, as long as you cut straight along the edges without bleed. If the design runs to the edge, each piece needs 3 mm of bleed and the number drops. The imposition calculator shows the layout for any sheet size.
A8 compared
| Size | mm | Area | Compared with A8 |
|---|---|---|---|
| A7 | 74 × 105 mm | 77.7 cm² | twice the area |
| B8 | 62 × 88 mm | 54.6 cm² | 142 % of the area |
| C8 | 57 × 81 mm | 46.2 cm² | 120 % of the area |
| A8 | 52 × 74 mm | 38.5 cm² | |
| D8 | 48 × 68 mm | 32.6 cm² | 85 % of the area |
| A9 | 37 × 52 mm | 19.2 cm² | half the area |
The matching envelope for A8 is C8 at 57 × 81 mm. It is too small to post on its own, though. More on the C8 page.
Frequently asked questions
How big is A8 in cm?
A8 is 5.2 cm wide and 7.4 cm tall.
How many A8 pieces fit on A4?
16, if you cut without bleed.
Is A8 the size of a business card?
No. A8 is 52 × 74 mm, a UK business card 55 × 85 mm. A8 is shorter and slightly narrower.
How many pixels is A8 at 300 dpi?
614 × 874 pixels, or 685 × 945 pixels with 3 mm bleed.
Which envelope fits A8?
C8 at 57 × 81 mm.