RA & SRA (untrimmed)
SRA3 paper size
SRA3 measures 320 x 450 mm (12.6 x 17.72 in). Supplementary raw format for bleed work finished at A3. The standard sheet size for digital presses.
320 x 450millimetres
12.6 x 17.72inches
3,780 x 5,315pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 320 x 450 mm |
| Centimetres | 32 x 45 cm |
| Inches (decimal) | 12.598 x 17.717 in |
| Inches (fraction) | 12 5/8 x 17 11/16 in |
| Points (1/72 in) | 907.1 x 1275.6 pt |
| Picas | 75.59 x 106.3 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 907 x 1,276 px | 1.2 MP |
| 96 dpi | 1,209 x 1,701 px | 2.1 MP |
| 150 dpi | 1,890 x 2,657 px | 5 MP |
| 200 dpi | 2,520 x 3,543 px | 8.9 MP |
| 300 dpi | 3,780 x 5,315 px | 20.1 MP |
| 600 dpi | 7,559 x 10,630 px | 80.4 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) | 326 x 456 mm | 12.835 x 17.953 in |
| 0.125 in bleed (each side) | 326.4 x 456.4 mm | 12.848 x 17.967 in |
How many SRA3 fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| SRA3 | 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 SRA3
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Unfolded | 320 x 450 mm | C3 envelope |
| Folded in half | 225 x 320 mm | C4 envelope, 10 x 13 catalog envelope |
Similar sizes
Frequently asked questions
What are the dimensions of SRA3?
SRA3 is 320 x 450 mm, which is 12.6 x 17.72 in (12 5/8 x 17 11/16 in).
How many pixels is SRA3 at 300 DPI?
3,780 x 5,315 pixels at 300 dpi, or 1,890 x 2,657 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.