Approximate poster sizes
A3
Averages
Dimensions 29.01 x 40.5 cms
Resolution = 150 Pixels/inch
File size = 2.60 - 0.976 mb

Approximate poster sizes
A4
Averages
Dimensions 21 x 29.67 cms
Resolution = 150 Pixels/inch
File size = 1.57 - 0.831 mb

Approximate poster sizes
A5
Averages
Dimensions 14.85 x 21 cms
Resolution = 150 Pixels/inch
File size = 0.912 x 0.407 mb