Standard Kitchen Cabinet Dimensions: A Quick Reference for Dealers
Standard base cabinets are 34½ inches tall and 24 inches deep, wall cabinets are 12 inches deep and 30, 36 or 42 inches tall, and most cabinets come in widths from 9 to 48 inches in 3-inch steps. Exact sizes vary slightly by manufacturer, so always confirm against the specification guide for the cabinet line you sell.
Standard cabinet sizes at a glance
| Cabinet type | Height | Depth | Widths |
|---|---|---|---|
| Base cabinet | 34½" (36" with countertop) | 24" | 9"–48" in 3" steps |
| Wall cabinet | 30", 36", 42" | 12" | 9"–36" (wider in some lines) |
| Wall cabinet over refrigerator | 12", 15", 18", 24" | 12" or 24" | 30"–36" |
| Tall / pantry cabinet | 84", 90", 96" | 12" or 24" | 18"–36" |
| Bathroom vanity | 30"–32" standard, 34½"–36" comfort height | 21" (18" narrow) | 24"–72" |
| Toe kick | About 4" (3½"–4½") | About 3" | — |
How high should wall cabinets be above the countertop?
The common standard is 18 inches between the countertop and the bottom of the wall cabinets, which puts the bottom of the wall cabinets at about 54 inches from the floor. With a 96-inch ceiling, 42-inch wall cabinets usually reach the ceiling or leave room for crown molding.
Which wall cabinet height fits my ceiling?
| Ceiling height | Typical wall cabinet height |
|---|---|
| 8 ft (96") | 36" with crown, or 42" to the ceiling |
| 9 ft (108") | 42", or stacked 36" + 12" uppers |
| 10 ft (120") | Stacked 42" + 12"/15" uppers, or 42" with large crown |
Recommended kitchen clearances
The National Kitchen & Bath Association (NKBA) publishes kitchen planning guidelines that most designers follow. Key clearances include:
- Walkways: at least 36" wide.
- Work aisles: at least 42" for one cook and 48" for multiple cooks.
- Dishwasher: within 36" of the edge of the main sink.
- Cooking surface landing area: at least 12" on one side and 15" on the other.
- Island seating overhang: 15" of knee space at 36"-high counters and 12" at 42"-high counters, with about 24" of width per seat.
Why sizes vary between cabinet brands
Framed and frameless cabinets, inset doors and different box constructions change interior and exterior dimensions slightly. Fillers, panels and moldings also differ by brand. That is why 247 Cabinetry designs in the exact cabinet line you plan to order — so the design, quote and order all match.
Frequently asked questions
What is the standard depth of a kitchen cabinet?
Base cabinets are 24 inches deep and wall cabinets are 12 inches deep. Countertops usually add about 1 to 1½ inches of overhang beyond the base cabinet.
What is the standard height of a kitchen counter?
About 36 inches: a 34½-inch base cabinet plus a 1½-inch countertop.
What is the smallest standard cabinet width?
Most lines start at 9 inches wide; some offer 6-inch spice or tray pull-outs and fillers for narrower gaps.
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