Printing 2.1 inch x 3.5 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
2.1 inch x 3.5 inch
A/R: 0.6
aspect ratio
3.5 inch x 2.1 inch
A/R: 1.67
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)
53.34 mm x 88.9 mm
4742 mm2
diagonal: 103.67 mm
5.33 cm x 8.89 cm
47.38 cm2
diagonal: 10.37 cm
2.1 inch x 3.5 inch
7.35 inch2
diagonal: 4.08 inch

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
2520 x 4200 pixels
width x height
Megapixels

Common examples

References