British imperial sheet sizes
Large Post paper size
Large Post measures 394 x 508 mm (15.51 x 20 in). Part of the British imperial sheet sizes.
394 x 508millimetres
15.51 x 20inches
4,654 x 6,000pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 394 x 508 mm |
| Centimetres | 39.4 x 50.8 cm |
| Inches (decimal) | 15.512 x 20 in |
| Inches (fraction) | 15 1/2 x 20 in |
| Points (1/72 in) | 1116.9 x 1440 pt |
| Picas | 93.07 x 120 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 1,117 x 1,440 px | 1.6 MP |
| 96 dpi | 1,489 x 1,920 px | 2.9 MP |
| 150 dpi | 2,327 x 3,000 px | 7 MP |
| 200 dpi | 3,102 x 4,000 px | 12.4 MP |
| 300 dpi | 4,654 x 6,000 px | 27.9 MP |
| 600 dpi | 9,307 x 12,000 px | 111.7 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) | 400 x 514 mm | 15.748 x 20.236 in |
| 0.125 in bleed (each side) | 400.4 x 514.4 mm | 15.762 x 20.25 in |
How many Large Post 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 Large Post
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Folded in half | 254 x 394 mm | DIN E4 envelope |
This size is listed in the Wikipedia article on paper sizes under “Traditional inch-based paper sizes”. Historic and regional sizes can vary between sources and mills.
Similar sizes
Frequently asked questions
What are the dimensions of Large Post?
Large Post is 394 x 508 mm, which is 15.51 x 20 in (15 1/2 x 20 in).
How many pixels is Large Post at 300 DPI?
4,654 x 6,000 pixels at 300 dpi, or 2,327 x 3,000 at 150 dpi.
Sources & data
- Listed in the Wikipedia article “Paper size” (CC BY-SA 4.0).