OVERALL WIDTH = DRAWER OPENING MINUS 3/8?
Face Frame Cabinets:
Above image reference for face frame cabinets
A. Middle Cabinet typical frame to frame minus 3/8" (if door protrudes into opening when door is opened measure from edge of door to other side)
B. One hinge measure from hinge to frame (look for door protrusion if any) subtract 3/8"
C. Hinge to Hinge (look for door protrusion if any) subtract 3/8"
Faceless European Style Cabinets:
Bottom: measure between hinges or hinge to other wall minus 3/8"
Middle: wall to wall or if door protrudes, edge of door to other wall minus 3/8"
Spacers can be used for any gaps caused allowing for door protrusions if needed
We recommend a 1/2" thick bottom if your drawer box or pullout shelf is 24" or wider