You can make islands narrower without a sink.
Kitchen island with sink and seating dimensions.
To use an island as an informal dining space plan for at least 24 inches of width per person.
While the average size of a kitchen island is 2000mm x 1000mm 80 x 40 inches there are many possibilities when it comes to the shape and size of kitchen islands.
This kitchen island size is enough space for prep work like cutting slicing cleaning fresh produce and kneading dough for baking.
The nkba guidelines recommend that each seat be 24 inches wide.
Not every island has to be large with a seating area.
42 with a sink.
Typical kitchen island size guidelines although there is an average size for kitchen islands they come in different typical sizes.
But the depth or knee space required varies with countertop height.
For a 30 inch high island knee depth should be 18 inches.
Another clearance issue with islands relates to seating.
Squeeze an island into a smaller kitchen islands can vary in size and shape but the minimum recommended size of a fixed kitchen island is 1000mm x 1000mm as pictured above.
And it should be 12 inches for a 42 inch high island.
To that end we put together 4 custom kitchen island dimension diagrams that set out proper distances and height for islands that seat 2 3 4 and 6 people.
For adequate legroom make sure there s a clearance of 9 to 13 inches between the knees and the bottom of the counter.
For a 36 inch height it should be 15 inches.
An average sized kitchen island can also accommodate a small 18 inch sink.