Japanese & East Asian sizes
AB paper size
AB measures 210 x 257 mm (8.27 x 10.12 in). Part of the Japanese & East Asian sizes.
210 x 257millimetres
8.27 x 10.12inches
2,480 x 3,035pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 210 x 257 mm |
| Centimetres | 21 x 25.7 cm |
| Inches (decimal) | 8.268 x 10.118 in |
| Inches (fraction) | 8 1/4 x 10 1/8 in |
| Points (1/72 in) | 595.3 x 728.5 pt |
| Picas | 49.61 x 60.71 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 595 x 729 px | 0.4 MP |
| 96 dpi | 794 x 971 px | 0.8 MP |
| 150 dpi | 1,240 x 1,518 px | 1.9 MP |
| 200 dpi | 1,654 x 2,024 px | 3.3 MP |
| 300 dpi | 2,480 x 3,035 px | 7.5 MP |
| 600 dpi | 4,961 x 6,071 px | 30.1 MP |
300 dpi is the usual target for printed photos and artwork; 72–96 dpi is screen resolution.
Document size with bleed
| Bleed | Millimetres | Inches |
|---|---|---|
| 3 mm bleed (each side) | 216 x 263 mm | 8.504 x 10.354 in |
| 0.125 in bleed (each side) | 216.4 x 263.4 mm | 8.518 x 10.368 in |
How many AB fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| A4 | 1-up | 0-up |
| A3 | 2-up | 1-up |
| SRA3 | 2-up | 2-up |
| Letter | 1-up | 0-up |
| Tabloid 11 x 17 in | 2-up | 1-up |
| 12 x 18 in | 2-up | 2-up |
| 13 x 19 in (Super B) | 2-up | 2-up |
| B2 (offset) | 4-up | 4-up |
| B1 (offset) | 9-up | 9-up |
Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.
Envelopes for AB
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Unfolded | 210 x 257 mm | 9 x 12 catalog envelope, C4 envelope |
| Folded in half | 128.5 x 210 mm | A9 envelope, 6 x 9 booklet envelope, C5 envelope |
| Folded in thirds | 85.7 x 210 mm | #9 envelope, DL envelope, #10 envelope |
This size is listed in the Wikipedia article on paper sizes under “Japanese variation”. Historic and regional sizes can vary between sources and mills.
Similar sizes
Frequently asked questions
What are the dimensions of AB?
AB is 210 x 257 mm, which is 8.27 x 10.12 in (8 1/4 x 10 1/8 in).
How many pixels is AB at 300 DPI?
2,480 x 3,035 pixels at 300 dpi, or 1,240 x 1,518 at 150 dpi.
Sources & data
- Listed in the Wikipedia article “Paper size” (CC BY-SA 4.0).