How to measure volume of paper, maps, and drawings - approximating volume as cubic feet
Filing Cabinet drawer (24" deep)
Cubic Feet
Full 3/4 full 1/2 full 1/4 full
Letter size 1.5 1.125 0.75 0.375
Legal size 2 1.5 1 0.5
Maps, plans, drawings, etc. (maintained in map or plan cabinets, on hangers, or in rolls).
Unit is 100 items of each given size:
8” x 10 ½” 0.025
11” x 17” 0.05
17” x 22” 0.1
22” x 34” 0.2
34” x 44” 0.4
28” x 40” 0.3
28” x 50” 0.35
34” x 50” 0.45
40” x 50” 0.5
Source for the above section: California State Archives, State of California, Guide for Computation of Records Volume <http://archives.cdn.sos.ca.gov/pdf/calrim-volume-guide.pdf>