US envelope sizes
#12 envelope size
#12 envelope measures 120.7 x 279.4 mm (4.75 x 11 in). Thick business mailings.
120.7 x 279.4millimetres
4.75 x 11inches
1,425 x 3,300pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 120.7 x 279.4 mm |
| Centimetres | 12.07 x 27.94 cm |
| Inches (decimal) | 4.75 x 11 in |
| Inches (fraction) | 4 3/4 x 11 in |
| Points (1/72 in) | 342 x 792 pt |
| Picas | 28.5 x 66 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 342 x 792 px | 0.3 MP |
| 96 dpi | 456 x 1,056 px | 0.5 MP |
| 150 dpi | 712 x 1,650 px | 1.2 MP |
| 200 dpi | 950 x 2,200 px | 2.1 MP |
| 300 dpi | 1,425 x 3,300 px | 4.7 MP |
| 600 dpi | 2,850 x 6,600 px | 18.8 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) | 126.7 x 285.4 mm | 4.986 x 11.236 in |
| 0.125 in bleed (each side) | 127 x 285.8 mm | 5 x 11.25 in |
How many #12 envelope fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| A4 | 1-up | 1-up |
| A3 | 3-up | 3-up |
| SRA3 | 3-up | 3-up |
| Letter | 1-up | 0-up |
| Tabloid 11 x 17 in | 3-up | 2-up |
| 12 x 18 in | 3-up | 3-up |
| 13 x 19 in (Super B) | 4-up | 3-up |
| B2 (offset) | 8-up | 6-up |
| B1 (offset) | 16-up | 15-up |
Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.
Similar sizes
Digest magazine
139.7 x 215.9 mmMagazines
Index card 6 × 8
152 x 203 mmCards
A5
148 x 210 mmA sizes
A9 envelope
146.1 x 222.3 mmUS envelopes
F5
165 x 210 mmMetric series
6 x 9 booklet envelope
152.4 x 228.6 mmUS envelopes
Weltformat IX
160 x 226 mmMetric series
#14 envelope
127 x 292.1 mmUS envelopes
Frequently asked questions
What are the dimensions of #12 envelope?
#12 envelope is 120.7 x 279.4 mm, which is 4.75 x 11 in (4 3/4 x 11 in).
How many pixels is #12 envelope at 300 DPI?
1,425 x 3,300 pixels at 300 dpi, or 712 x 1,650 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.