North American sizes
Quarter Letter paper size
Quarter Letter measures 108 x 139.7 mm (4.25 x 5.5 in). Postcards, invitations, small inserts.
108 x 139.7millimetres
4.25 x 5.5inches
1,275 x 1,650pixels @ 300 dpi
Dimensions in every unit
| Unit | Width x height |
|---|---|
| Millimetres | 108 x 139.7 mm |
| Centimetres | 10.8 x 13.97 cm |
| Inches (decimal) | 4.25 x 5.5 in |
| Inches (fraction) | 4 1/4 x 5 1/2 in |
| Points (1/72 in) | 306 x 396 pt |
| Picas | 25.5 x 33 pc |
Pixel dimensions by resolution
| Resolution | Pixels | Megapixels |
|---|---|---|
| 72 dpi | 306 x 396 px | 0.1 MP |
| 96 dpi | 408 x 528 px | 0.2 MP |
| 150 dpi | 638 x 825 px | 0.5 MP |
| 200 dpi | 850 x 1,100 px | 0.9 MP |
| 300 dpi | 1,275 x 1,650 px | 2.1 MP |
| 600 dpi | 2,550 x 3,300 px | 8.4 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) | 114 x 145.7 mm | 4.486 x 5.736 in |
| 0.125 in bleed (each side) | 114.3 x 146.1 mm | 4.5 x 5.75 in |
How many Quarter Letter fit on a press sheet
| Sheet | Without bleed | With 3 mm bleed |
|---|---|---|
| A4 | 2-up | 2-up |
| A3 | 6-up | 6-up |
| SRA3 | 8-up | 6-up |
| Letter | 4-up | 2-up |
| Tabloid 11 x 17 in | 8-up | 4-up |
| 12 x 18 in | 8-up | 8-up |
| 13 x 19 in (Super B) | 9-up | 8-up |
| B2 (offset) | 20-up | 18-up |
| B1 (offset) | 45-up | 36-up |
Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.
Envelopes for Quarter Letter
| Fold | Folded size | Envelopes that fit |
|---|---|---|
| Unfolded | 108 x 139.7 mm | A2 envelope, C6 envelope, A6 envelope |
| Folded in half | 69.9 x 108 mm | C7 envelope, C7/C6 envelope, #6¾ envelope |
| Folded in thirds | 46.6 x 108 mm | C7 envelope, C7/C6 envelope |
Similar sizes
Frequently asked questions
What are the dimensions of Quarter Letter?
Quarter Letter is 108 x 139.7 mm, which is 4.25 x 5.5 in (4 1/4 x 5 1/2 in).
How many pixels is Quarter Letter at 300 DPI?
1,275 x 1,650 pixels at 300 dpi, or 638 x 825 at 150 dpi.
Sources & data
- Dimensions per the relevant standard; see sources.