Standard Bath Sink Drain Size

While a bathroom sink s design and overall size may vary from one model to the next the drain holes are fairly standard 1 25 inches being a.

Standard bath sink drain size.

American standard s bathroom sinks are designed with daily life in mind. Don t get confused with the hole size and the actual pipe size. While the standard kitchen sink size measures 22 by 30 inches length by width sink sizes generally depend on the interior width of the sink s cabinet. On an average cabinets measure 36 to 42 inches high 24 inches deep and 25 1 4 to 26 inches wide.

1 1 4 inches is the general standard and 1 1 2 inches and 1 3 5 inches are commonly used. Choose from a variety of materials shapes and sizes from under mount sinks to pedestal sinks. Consider drain pipe to be the vertical centerline. Other is 4 inches to left of centerline discharge hole vertical.

The most common size of the drainage hole in a bathroom sink is 1 1 4 inches in diameter although you may also find some with a diameter of 1 1 2 inches or more. Inside the pipe there should be 1 inches hole. About 16 to 20 inches above the floor. Some older sinks may have drains that connect to a 1 1 4 inch tailpiece but most modern drains have a 1 1 2 inch outlet.

Vertically both are about 2 to 3 inches above the drain pipe supply lines horizontal. What is the standard weight of a bathroom sink. This size is precisely the diameter of the pipe instead of the length. All the pipes that connect to the tailpiece including the p trap assembly.

One hole is 4 inches to the right of centerline. The size of the bathroom sink drain goes from 1 1 4 inches 32mm to 1 1 2 inches 40mm. Standard size for the drain hole in a bathroom sink. Although most bathroom sink drain holes are similar in size to coordinate with the drains and plumbing used with the sinks themselves there is no single standard size for them.

Sink rough in details. Standard sink drain sizes include 3 1 2 inches kitchen sink 1 1 4 inches bathroom sink and 2 inches bar sink. Use proper size to keep sink free flowing. However most of the bathroom sinks use 1 inch drain pipe.

Every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe.