Printing 3 inch x 4.5 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
3 inch x 4.5 inch
A/R: 0.67
aspect ratio
4.5 inch x 3 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)
76.2 mm x 114.3 mm
8710 mm2
diagonal: 137.37 mm
7.62 cm x 11.43 cm
87.10 cm2
diagonal: 13.74 cm
3 inch x 4.5 inch
13.50 inch2
diagonal: 5.41 inch

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
3600 x 5400 pixels
width x height
Megapixels
19.4 megapixels

Common examples

References

  • Dots per inch
  • Bleed (printing)