Printing 21 inch x 31 inch @ 300 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
21 inch x 31 inch
A/R: 0.68
aspect ratio
31 inch x 21 inch
A/R: 1.48
rotated 90°
Printer resolution
Imperial
300 dpi
dots per inch
Metric
118 dots/cm
dots/in ÷ 2.54 cm/in
Printer pitch (dot size)
85 µm
25400 mm/in ÷ dots/in

Print Dimensions

Net (without bleed)
53.34 cm x 78.74 cm
4200 cm2
diagonal: 95.11 cm
21 inch x 31 inch
651 inch2
diagonal: 37.44 inch
1.75 feet x 2.58 feet
4.52 feet2
diagonal: 3.12 feet

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
6300 x 9300 pixels
width x height
Megapixels
58.6 megapixels

Common examples

References

  • Dots per inch
  • Bleed (printing)