What are the standard sizes for an office bookcase?

Standard office bookcases come in widths of 30", 36", and 42", with heights of 36" (2-shelf), 48" (3-shelf), 60" (4-shelf), and 72" (5-shelf). Depths range from 12" to 15". The 36"×72" (5-shelf) configuration is the commercial standard for maximum storage in a standard footprint. At OfficeFurniture2go.com, we stock all standard configurations — call 1-800-460-0858 for current availability.