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.

Standard bath sink drain size.

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. Standard sink drain sizes include 3 1 2 inches kitchen sink 1 1 4 inches bathroom sink and 2 inches bar sink. Other is 4 inches to left of centerline discharge hole vertical. Inside the pipe there should be 1 inches hole.

One hole is 4 inches to the right of centerline. 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. However most of the bathroom sinks use 1 inch drain pipe. All the pipes that connect to the tailpiece including the p trap assembly.

Vertically both are about 2 to 3 inches above the drain pipe supply lines horizontal. Standard size for the drain hole in a bathroom sink. This size is precisely the diameter of the pipe instead of the length. The standard size and setting.

Sink rough in details. Bathroom sink materials pros and cons. Use proper size to keep sink free flowing. Consider drain pipe to be the vertical centerline.

1 1 4 inches is the general standard and 1 1 2 inches and 1 3 5 inches are commonly used. 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. About 16 to 20 inches above the floor. On an average cabinets measure 36 to 42 inches high 24 inches deep and 25 1 4 to 26 inches wide.

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. Don t get confused with the hole size and the actual pipe size. Every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe. The size of the bathroom sink drain goes from 1 1 4 inches 32mm to 1 1 2 inches 40mm.

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.