Printing 20 inch x 30 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
20 inch x 30 inch
A/R: 0.67
aspect ratio
30 inch x 20 inch
A/R: 1.5
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)
50.8 cm x 76.2 cm
3871 cm2
diagonal: 91.58 cm
20 inch x 30 inch
600 inch2
diagonal: 36.06 inch
1.67 feet x 2.5 feet
4.17 feet2
diagonal: 3.01 feet
Total dimensions (with bleed)
55.88 cm x 81.28 cm
4542 cm2
diagonal: 98.64 cm
22 inch x 32 inch
704 inch2
diagonal: 38.83 inch
1.83 feet x 2.66 feet
4.87 feet2
diagonal: 3.23 feet

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
1440 x 2160 pixels
width x height
Megapixels
3.1 megapixels
Total dimensions (with bleed)
Pixel dimensions
1584 x 2304 pixels
width x height
Megapixels
3.6 megapixels

Common examples

References

  • Dots per inch
  • Bleed (printing)