DPI: US Billboard 12 x 6 ft

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)
365.76 cm x 182.88 cm = 66890.19 cm2aspect ratio: 2 (diagonal: 408.93 cm)
144 inch x 72 inch = 10368 inch2aspect ratio: 2 (diagonal: 161 inch)
12 feet x 6 feet = 72 feet2aspect ratio: 2 (diagonal: 13.42 feet)
4 yard x 2 yard = 8 yard2aspect ratio: 2 (diagonal: 4.47 yard)
3.66 m x 1.83 m = 6.7 m2aspect ratio: 2 (diagonal: 4.09 m)
Brut dimensions (with bleed)
3759.2 mm x 1930.4 mm = 7256759.68 mm2 (diagonal: 4225.88 mm)
375.92 cm x 193.04 cm = 72567.6 cm2 (diagonal: 422.59 cm)
148 inch x 76 inch = 11248 inch2 (diagonal: 166.37 inch)
12.34 feet x 6.34 feet = 78.24 feet2 (diagonal: 13.87 feet)
4.12 yard x 2.12 yard = 8.73 yard2 (diagonal: 4.63 yard)
3.76 m x 1.93 m = 7.26 m2 (diagonal: 4.23 m)

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)
10368 px x 5184 px = 53.7 megapixels
= aspect ratio 2
Brut dimensions (with bleed)
10656 px x 5472 px = 58.3 megapixels

Some examples

References