Poster & signage sizes
18 x 24 poster size
18 x 24 poster measures 457.2 x 609.6 mm (18 x 24 in). Medium posters; common for events and art prints.
457.2 x 609.6millimetres
18 x 24inches
5,400 x 7,200pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 457.2 x 609.6 mm |
| Centimetres | 45.72 x 60.96 cm |
| Inches (decimal) | 18 x 24 in |
| Inches (fraction) | 18 x 24 in |
| Points (1/72 in) | 1296 x 1728 pt |
| Picas | 108 x 144 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 1,296 x 1,728 px | 2.2 MP |
| 96 dpi | 1,728 x 2,304 px | 4 MP |
| 150 dpi | 2,700 x 3,600 px | 9.7 MP |
| 200 dpi | 3,600 x 4,800 px | 17.3 MP |
| 300 dpi | 5,400 x 7,200 px | 38.9 MP |
| 600 dpi | 10,800 x 14,400 px | 155.5 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) | 463.2 x 615.6 mm | 18.236 x 24.236 in |
| 0.125 in bleed (each side) | 463.6 x 616 mm | 18.25 x 24.25 in |
How many 18 x 24 poster 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.
Similar sizes
Frequently asked questions
What are the dimensions of 18 x 24 poster?
18 x 24 poster is 457.2 x 609.6 mm, which is 18 x 24 in (18 x 24 in).
How many pixels is 18 x 24 poster at 300 DPI?
5,400 x 7,200 pixels at 300 dpi, or 2,700 x 3,600 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.