DPI calculator: 300 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)
650.24 mm x 365.76 mm = 237831.78 mm2 (diagonal: 746.05 mm)
65.02 cm x 36.58 cm = 2378.43 cm2 (diagonal: 74.6 cm)
25.6 inch x 14.4 inch = 368.64 inch2 (diagonal: 29.37 inch)
2.13 feet x 1.2 feet = 2.56 feet2 (diagonal: 2.44 feet)

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)
7680 px x 4320 px = 33.2 megapixels
= aspect ratio 1.778

Some examples

References