DPI: US Legal

Use this calculator to find out how many pixels (resolution) an image should have to be printed at a certain size.

Print Dimensions

Net dimensions (no bleed)
215.9 mm x 355.6 mm = 76774.04 mm2aspect ratio: 0.607 (diagonal: 416.01 mm)
21.59 cm x 35.56 cm = 767.74 cm2aspect ratio: 0.607 (diagonal: 41.6 cm)
8.5 inch x 14 inch = 119 inch2aspect ratio: 0.607 (diagonal: 16.38 inch)

Print Pixel Size

Dots-per-inch
Printer resolution = 300 dpi = 118 dots/cm
Printer pitch = 85 µm / micrometer (size of 1 pixel)
Net dimensions (no bleed)
2550 px x 4200 px = 10.7 megapixels
= aspect ratio 0.607

Some examples

References