US envelope sizes
A9 envelope size
A9 envelope measures 146.1 x 222.3 mm (5.75 x 8.75 in). Half-letter (5.5 x 8.5 in) cards and brochures.
146.1 x 222.3millimetres
5.75 x 8.75inches
1,725 x 2,625pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 146.1 x 222.3 mm |
| Centimetres | 14.61 x 22.23 cm |
| Inches (decimal) | 5.75 x 8.75 in |
| Inches (fraction) | 5 3/4 x 8 3/4 in |
| Points (1/72 in) | 414 x 630 pt |
| Picas | 34.5 x 52.5 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 414 x 630 px | 0.3 MP |
| 96 dpi | 552 x 840 px | 0.5 MP |
| 150 dpi | 862 x 1,312 px | 1.1 MP |
| 200 dpi | 1,150 x 1,750 px | 2 MP |
| 300 dpi | 1,725 x 2,625 px | 4.5 MP |
| 600 dpi | 3,450 x 5,250 px | 18.1 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) | 152.1 x 228.3 mm | 5.986 x 8.986 in |
| 0.125 in bleed (each side) | 152.4 x 228.6 mm | 6 x 9 in |
How many A9 envelope fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| A4 | 1-up | 1-up |
| A3 | 2-up | 2-up |
| SRA3 | 4-up | 2-up |
| Letter | 1-up | 1-up |
| Tabloid 11 x 17 in | 2-up | 2-up |
| 12 x 18 in | 4-up | 4-up |
| 13 x 19 in (Super B) | 4-up | 4-up |
| B2 (offset) | 9-up | 9-up |
| B1 (offset) | 18-up | 18-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 A9 envelope?
A9 envelope is 146.1 x 222.3 mm, which is 5.75 x 8.75 in (5 3/4 x 8 3/4 in).
How many pixels is A9 envelope at 300 DPI?
1,725 x 2,625 pixels at 300 dpi, or 862 x 1,312 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.