Measuring Instructions for 1/2" and 5/8" Drawer Side Wood Thickness

Please note that when ordering, measurements are for actual drawer sizes, NOT cabinet openings.


(Images courtesy of Blum Hardware)

For Undermount Slides

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"

(i.e. 9", 12", 15", 18", 21", etc.)

For Sidemount Slides

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)

(i.e. 10", 12", 14", 16" 18", 20", etc.)

File Drawers

Minimum width: Letter

outside dimension


Minimum width: Legal

outside dimension


Minimum height


file bar extends 3/8" above the drawer

For more information on our custom dovetail drawers, head to our dovetail drawers overview page.

Ordering Online is Easy

You can order custom drawers and doors directly through our online form. Simply put in your information, add any necessary details — like a job number —, select your delivery option, and then choose specifics like wood species and thickness. If it sounds simple, that’s because it is.