What are standard kitchen cabinet dimensions?
A typical base worktop is 36 in (900 mm) high with a 42 in (1050 mm) work aisle. Wall cabinets commonly start 54 in (1400 mm) above the floor, dishwashers are 18–24 in wide, and sink bases are 24–48 in wide.
Kitchen numbers
| Item | Inches | mm |
|---|---|---|
| Base worktop height | 36 | 900 |
| Work aisle | 42 | 1050 |
| Wall cabinet underside | 54 | 1400 |
| Toe kick | 4 | 100 |
| Stone top thickness | 1.5 | 40 |
Unit widths
- Dishwasher: 18–24 in, under the worktop.
- Sink base: 24–48 in.
- Other units: 9–48 in in the generator.
Questions
How wide should a kitchen aisle be?
Plan 42 in (1050 mm) for a work aisle.
Draw it at your size
Type the dimensions and download DXF + IFC, with the clearance on its own layer.
These are planning rules of thumb. Check local codes, accessibility rules and manufacturer data for your project.