DPI: 72 dpi newspaper

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)
678.18 mm x 381 mm = 258386.58 mm2aspect ratio: 1.78 (diagonal: 777.87 mm)
67.82 cm x 38.1 cm = 2583.94 cm2aspect ratio: 1.78 (diagonal: 77.79 cm)
26.7 inch x 15 inch = 400.5 inch2aspect ratio: 1.78 (diagonal: 30.62 inch)
2.23 feet x 1.25 feet = 2.79 feet2aspect ratio: 1.784 (diagonal: 2.56 feet)

Print Pixel Size

Dots-per-inch
Printer resolution = 72 dpi = 28 dots/cm
Printer pitch = 353 µm / micrometer (size of 1 pixel)
Net dimensions (no bleed)
1922 px x 1080 px = 2.1 megapixels
= aspect ratio 1.78

Some examples

References