Photo print sizes
12 x 18 photo paper size
12 x 18 photo measures 304.8 x 457.2 mm (12 x 18 in). Posters and enlargements.
304.8 x 457.2millimetres
12 x 18inches
3,600 x 5,400pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 304.8 x 457.2 mm |
| Centimetres | 30.48 x 45.72 cm |
| Inches (decimal) | 12 x 18 in |
| Inches (fraction) | 12 x 18 in |
| Points (1/72 in) | 864 x 1296 pt |
| Picas | 72 x 108 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 864 x 1,296 px | 1.1 MP |
| 96 dpi | 1,152 x 1,728 px | 2 MP |
| 150 dpi | 1,800 x 2,700 px | 4.9 MP |
| 200 dpi | 2,400 x 3,600 px | 8.6 MP |
| 300 dpi | 3,600 x 5,400 px | 19.4 MP |
| 600 dpi | 7,200 x 10,800 px | 77.8 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) | 310.8 x 463.2 mm | 12.236 x 18.236 in |
| 0.125 in bleed (each side) | 311.2 x 463.6 mm | 12.25 x 18.25 in |
How many 12 x 18 photo fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| 12 x 18 in | 1-up | 0-up |
| 13 x 19 in (Super B) | 1-up | 1-up |
| B2 (offset) | 2-up | 2-up |
| B1 (offset) | 4-up | 4-up |
Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.
Envelopes for 12 x 18 photo
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Folded in half | 228.6 x 304.8 mm | 10 x 13 catalog envelope |
Similar sizes
Frequently asked questions
What are the dimensions of 12 x 18 photo?
12 x 18 photo is 304.8 x 457.2 mm, which is 12 x 18 in (12 x 18 in).
How many pixels is 12 x 18 photo at 300 DPI?
3,600 x 5,400 pixels at 300 dpi, or 1,800 x 2,700 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.