Measuring Instructions for 1/2-inch and 5/8-inch material
Please note that measurements are for actual drawer sizes, NOT cabinet openings.

images courtesy of Blum Hardware
Blum Undermounts
Blum Tandem Blum Blumotion
Drawer width | deduct 5/8" off the cabinet opening for 1/2" drawers deduct 3/8" off the cabinet opening for 5/8" drawers |
Drawer height | deduct a minimum of 13/16" off the rough opening height |
Drawer depth front to back |
Drawer depth range is 9" to 30" in increments of 3" (ie, 9", 12", 15", 18", 21", etc.) |
Sidemount Slides
KV 8400 Series
Drawer width | deduct 1-1/16" off the cabinet opening |
Drawer height | deduct 1/2" minimum off the rough opening height |
Drawer depth front to back |
Drawer depth in increments of 2" (even-numbered) |
File Drawers
Minimum width: Letter outside dimension |
13-3/8" |
Minimum width: Legal outside dimension |
16-3/8" |
Minimum height | 9-7/8" file bar extends 3/8" above the drawer |