Traditional & historic sizes
Demy paper size
Demy measures 444.5 x 571.5 mm (17.5 x 22.5 in). Traditional British printing paper; origin of the Demy book size.
444.5 x 571.5millimetres
17.5 x 22.5inches
5,250 x 6,750pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 444.5 x 571.5 mm |
| Centimetres | 44.45 x 57.15 cm |
| Inches (decimal) | 17.5 x 22.5 in |
| Inches (fraction) | 17 1/2 x 22 1/2 in |
| Points (1/72 in) | 1260 x 1620 pt |
| Picas | 105 x 135 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 1,260 x 1,620 px | 2 MP |
| 96 dpi | 1,680 x 2,160 px | 3.6 MP |
| 150 dpi | 2,625 x 3,375 px | 8.9 MP |
| 200 dpi | 3,500 x 4,500 px | 15.8 MP |
| 300 dpi | 5,250 x 6,750 px | 35.4 MP |
| 600 dpi | 10,500 x 13,500 px | 141.8 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) | 450.5 x 577.5 mm | 17.736 x 22.736 in |
| 0.125 in bleed (each side) | 450.9 x 577.9 mm | 17.75 x 22.75 in |
How many Demy fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| B2 (offset) | 1-up | 1-up |
| B1 (offset) | 2-up | 2-up |
Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.
Envelopes for Demy
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Unfolded | 444.5 x 571.5 mm | C2 envelope |
| Folded in half | 285.8 x 444.5 mm | C3 envelope |
Similar sizes
Frequently asked questions
What are the dimensions of Demy?
Demy is 444.5 x 571.5 mm, which is 17.5 x 22.5 in (17 1/2 x 22 1/2 in).
How many pixels is Demy at 300 DPI?
5,250 x 6,750 pixels at 300 dpi, or 2,625 x 3,375 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.