Printing 15 inch x 20 inch @ 72 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
15 inch x 20 inch
A/R: 0.75
aspect ratio
20 inch x 15 inch
A/R: 1.33
rotated 90°
Printer resolution
Imperial
72 dpi
dots per inch
Metric
28 dots/cm
dots/in ÷ 2.54 cm/in
Printer pitch (dot size)
353 µm
25400 mm/in ÷ dots/in

Print Dimensions

Net (without bleed)
38.1 cm x 50.8 cm
1935 cm2
diagonal: 63.5 cm
15 inch x 20 inch
300 inch2
diagonal: 25 inch
1.25 feet x 1.67 feet
2.09 feet2
diagonal: 2.09 feet

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
1080 x 1440 pixels
width x height
Megapixels
1.6 megapixels

Common examples

References

  • Dots per inch
  • Bleed (printing)