DPI: UK Billboard 4 sheet

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)
101.6 cm x 152.4 cm = 15483.84 cm2aspect ratio: 0.667 (diagonal: 183.16 cm)
40 inch x 60 inch = 2400 inch2aspect ratio: 0.667 (diagonal: 72.11 inch)
3.33 feet x 5 feet = 16.65 feet2aspect ratio: 0.666 (diagonal: 6.01 feet)
1.11 yard x 1.67 yard = 1.85 yard2aspect ratio: 0.665 (diagonal: 2.01 yard)
1.02 m x 1.52 m = 1.55 m2aspect ratio: 0.671 (diagonal: 1.83 m)
Brut dimensions (with bleed)
1066.8 mm x 1574.8 mm = 1679996.64 mm2 (diagonal: 1902.12 mm)
106.68 cm x 157.48 cm = 16799.97 cm2 (diagonal: 190.21 cm)
42 inch x 62 inch = 2604 inch2 (diagonal: 74.89 inch)
3.49 feet x 5.16 feet = 18.01 feet2 (diagonal: 6.23 feet)
1.17 yard x 1.73 yard = 2.02 yard2 (diagonal: 2.09 yard)
1.08 m x 1.58 m = 1.71 m2 (diagonal: 1.91 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)
2880 px x 4320 px = 12.4 megapixels
= aspect ratio 0.667
Brut dimensions (with bleed)
3024 px x 4464 px = 13.5 megapixels

Some examples

References