Standard Bath Sink Drain Size

Consider drain pipe to be the vertical centerline.

Standard bath sink drain size.

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. However most of the bathroom sinks use 1 inch drain pipe. Bathroom sink materials pros and cons. Standard size for the drain hole in a bathroom sink.

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. The size of the bathroom sink drain goes from 1 1 4 inches 32mm to 1 1 2 inches 40mm. 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.

What is the standard weight of a bathroom sink. 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. But as far as the pipe or standard size pvc for sink drain is concerned it s 2 or 3 inches in diameter it s the measurement that surrounds the center of the drain from both sides. Standard sink drain sizes include 3 1 2 inches kitchen sink 1 1 4 inches bathroom sink and 2 inches bar sink.

The standard size and setting. Every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe. Sink rough in details. 1 1 4 inches is the general standard and 1 1 2 inches and 1 3 5 inches are commonly used.

Other is 4 inches to left of centerline discharge hole vertical. About 16 to 20 inches above the floor. Inside the pipe there should be 1 inches hole. 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.

Vertically both are about 2 to 3 inches above the drain pipe supply lines horizontal. 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. On an average cabinets measure 36 to 42 inches high 24 inches deep and 25 1 4 to 26 inches wide. Don t get confused with the hole size and the actual pipe size.

Choose from a variety of materials shapes and sizes from under mount sinks to pedestal sinks.