Here are the standard sink sizes.
Average bathroom sink size.
Typical basin depth is 5 to 8 inches.
In general standard oval and round bathroom sinks have a diameter of 16 to 20 inches and an average water depth of 5 to 8 inches.
Round sinks usually run around 16 20 inches in diameter with an average depth of 5 8 inches.
But usually undermount bathroom sink do not exceed 30 in width and 22 in depth.
And standard rectangular sinks measure 19 to 24 inches wide side to side and 16 to 23 inches length front to back.
Standard rectangular sinks measure 19 to 24 inches wide side to side and 16 to 23 inches length front to back.
However when you buy a sink for a countertop you will find most fall within a certain size range.
Standard oval and round bathroom sinks have a diameter of 16 to 20 inches and an average water depth of 5 to 8 inches.
There is no set standard bathroom sink bowl size.
This width varies due to the shape of the bowl as well.
Standard rectangular sink sizes.
This range is between 15 and 18 inches wide overall.
Rounded vessel sinks typically vary from 14 to 20 inches 36 51 centimeters in diameter and 4 7 in height.
The standard water depth of 5 to 8 inches.
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.
They also have a standard water depth of 5 to 8 inches.
Some petite basins are just big enough for washing hands while the largest sinks are big enough for washing hair or delicate clothing.