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.

Every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe. Vertically both are about 2 to 3 inches above the drain pipe supply lines horizontal. The size of the bathroom sink drain goes from 1 1 4 inches 32mm to 1 1 2 inches 40mm. 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.

Consider drain pipe to be the vertical centerline. Don t get confused with the hole size and the actual pipe size. What is the standard weight of a bathroom sink. Sink rough in details.

Choose from a variety of materials shapes and sizes from under mount sinks to pedestal sinks. 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. This size is precisely the diameter of the pipe instead of the length.

Standard size for the drain hole in a bathroom sink. American standard s bathroom sinks are designed with daily life in mind. One hole is 4 inches to the right of centerline. 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.

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. Use proper size to keep sink free flowing. Other is 4 inches to left of centerline discharge hole vertical. All the pipes that connect to the tailpiece including the p trap assembly.

Inside the pipe there should be 1 inches hole. Bathroom sink materials pros and cons. The standard size and setting. 1 1 4 inches is the general standard and 1 1 2 inches and 1 3 5 inches are commonly used.

About 16 to 20 inches above the floor.