1 – 35mm microfilm reel = 600-750 images
1 – 16mm 100' microfilm reel = 1,800-3,600 images
1 – aperture card = 1 image
Aperture cards per inch of drawer depth or file box depth = 125-150 cards
1 full step and repeat 16mm microfiche = 98 images
1 full jacketed 16mm microfiche = 50 images
1 COM microfiche = 256 images
1 full AB Dick microfiche = 60 images
Unbound paper = 150-175 pages per inch (1,800-2,200 per foot)
One standard record/file box (letter/legal, 12” deep)=2,000-2,500 pages
Banker style box=4,500-5,000 pages