DPI calculator: 240 dpi inkjet printer

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)
812.8 mm x 457.2 mm = 371612.16 mm2 (diagonal: 932.56 mm)
81.28 cm x 45.72 cm = 3716.12 cm2 (diagonal: 93.26 cm)
32 inch x 18 inch = 576 inch2 (diagonal: 36.72 inch)
2.67 feet x 1.5 feet = 4.01 feet2 (diagonal: 3.06 feet)

Print Pixel Size

Dots-per-inch
Printer resolution = 240 dpi = 94 dots/cm
Printer pitch = 106 µm / micrometer (size of 1 pixel)
Net dimensions (no bleed)
7680 px x 4320 px = 33.2 megapixels
= aspect ratio 1.778

Some examples

References