Bathroom Sink Base Cabinet Sizes. Most round sinks are 16 to 20 inches in diameter and most rectangular sinks are 19 to 24 inches wide and 16 to 23 inches front to back. How to choose bathroom sink size. The height of the cabinet can be customized but 36 inches is average.
If you have a bigger cabinet base like 42 inches you can fit in a sink size like 36 or 38 by 22 inches. A 27 inch sink base cabinet would be most likely to comfortably fit the dimensions of a small sink 24 inches width.
The most commonly installed kitchen sink size measures 30 inches wide which gives a variety of choices when it comes to shapes such as single bowl orca square and double bowl.
It gives enough space to wash the pots and pans. If you re replacing a sink make sure it fits the existing cutout. People choose a 24 inch sink for small type houses. For standard building code compliance allow at least 18 inches from the cabinet edge to the center of the toilet.
