Printing 12 inch x 18 inch @ 300 dpi

Use this calculator to find out how many pixels (resolution) an image should have to be printed at a certain size.

Input Parameters

Dimensions
12 inch x 18 inch
A/R: 0.67
aspect ratio
18 inch x 12 inch
A/R: 1.5
rotated 90°
Printer resolution
Imperial
300 dpi
dots per inch
Metric
118 dots/cm
dots/in ÷ 2.54 cm/in
Printer pitch (dot size)
85 µm
25400 mm/in ÷ dots/in

Print Dimensions

Net (without bleed)
30.48 cm x 45.72 cm
1394 cm2
diagonal: 54.95 cm
12 inch x 18 inch
216 inch2
diagonal: 21.63 inch
1 feet x 1.5 feet
1.50 feet2
diagonal: 1.8 feet

Print Pixel Size

Net dimensions (no bleed)
Pixel dimensions
3600 x 5400 pixels
width x height
Megapixels
19.4 megapixels

Common examples

References

  • Dots per inch
  • Bleed (printing)