What Is The Standard Size Of A Bathroom Sink Drain

Inside the pipe there should be 1 inches hole.

What is the standard size of a bathroom sink drain.

Traditionally most drains have 1 inch outlet that connects to a tailpiece forming a p trap pipe configuration. Standard sink drain pipe sizes. Standard sink drain sizes include 3 1 2 inches kitchen sink 1 1 4 inches bathroom sink and 2 inches bar sink. When speaking of plumbing dimensions the term centerline is often used as with the term on center which is used for construction the term centerline is an imaginary vertical line drawn through a key reference point usually the drain pipe.

Rough in dimension terminology. Standard size for the drain hole in a bathroom sink. Bathroom sink materials pros and cons. 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. Installing your sink also means understanding standard sizes for your sink s drain pipes. The standard size and setting. 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.

The drainage hole in a bathroom sink must be at least 1 1 4 inches in diameter according to the international code council. Use proper size to keep sink free flowing. Weight depends on the material and its overall size. What is the standard weight of a bathroom sink.

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. Every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe. This size is precisely the diameter of the pipe instead of the length. On an average cabinets measure 36 to 42 inches high 24 inches deep and 25 1 4 to 26 inches wide.

However most of the bathroom sinks use 1 inch drain pipe. The size of the bathroom sink drain goes from 1 1 4 inches 32mm to 1 1 2 inches 40mm. All the pipes that connect to the tailpiece including the p trap assembly. 1 1 4 inches is the general standard and 1 1 2 inches and 1 3 5 inches are commonly used.