Japanese & East Asian sizes
B40 paper size
B40 measures 103 x 182 mm (4.06 x 7.17 in). Part of the Japanese & East Asian sizes.
103 x 182millimetres
4.06 x 7.17inches
1,217 x 2,150pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 103 x 182 mm |
| Centimetres | 10.3 x 18.2 cm |
| Inches (decimal) | 4.055 x 7.165 in |
| Inches (fraction) | 4 1/16 x 7 3/16 in |
| Points (1/72 in) | 292 x 515.9 pt |
| Picas | 24.33 x 42.99 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 292 x 516 px | 0.2 MP |
| 96 dpi | 389 x 688 px | 0.3 MP |
| 150 dpi | 608 x 1,075 px | 0.7 MP |
| 200 dpi | 811 x 1,433 px | 1.2 MP |
| 300 dpi | 1,217 x 2,150 px | 2.6 MP |
| 600 dpi | 2,433 x 4,299 px | 10.5 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) | 109 x 188 mm | 4.291 x 7.402 in |
| 0.125 in bleed (each side) | 109.4 x 188.4 mm | 4.305 x 7.415 in |
How many B40 fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| A4 | 2-up | 2-up |
| A3 | 4-up | 4-up |
| SRA3 | 6-up | 4-up |
| Letter | 2-up | 2-up |
| Tabloid 11 x 17 in | 4-up | 4-up |
| 12 x 18 in | 4-up | 4-up |
| 13 x 19 in (Super B) | 6-up | 6-up |
| B2 (offset) | 12-up | 12-up |
| B1 (offset) | 30-up | 30-up |
Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.
Envelopes for B40
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Unfolded | 103 x 182 mm | DL envelope, Italian envelope, C6/C5 envelope |
| Folded in half | 91 x 103 mm | A2 envelope, C6 envelope, Monarch envelope |
| Folded in thirds | 60.7 x 103 mm | C7 envelope, C7/C6 envelope, #6¾ 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 B40?
B40 is 103 x 182 mm, which is 4.06 x 7.17 in (4 1/16 x 7 3/16 in).
How many pixels is B40 at 300 DPI?
1,217 x 2,150 pixels at 300 dpi, or 608 x 1,075 at 150 dpi.
Sources & data
- Listed in the Wikipedia article “Paper size” (CC BY-SA 4.0).