Printing 2.8 inch x 4.2 inch @ 1200 dpi

Use this calculator to find out how many pixels (resolution) an image should have to be printed at a certain size.

Input Parameters

Dimensions
2.8 inch x 4.2 inch
A/R: 0.67
aspect ratio
4.2 inch x 2.8 inch
A/R: 1.5
rotated 90°
Printer resolution
Imperial
1200 dpi
dots per inch
Metric
472 dots/cm
dots/in ÷ 2.54 cm/in
Printer pitch (dot size)
21 µm
25400 mm/in ÷ dots/in

Print Dimensions

Net (without bleed)
71.12 mm x 106.68 mm
7587 mm2
diagonal: 128.21 mm
7.11 cm x 10.67 cm
75.86 cm2
diagonal: 12.82 cm
2.8 inch x 4.2 inch
11.76 inch2
diagonal: 5.05 inch

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
3360 x 5040 pixels
width x height
Megapixels
16.9 megapixels

Common examples

References

  • Dots per inch
  • Bleed (printing)