What Is The Standard Size Of A Kitchen Sink Drain

The drain strainer the bowl shaped piece inside the drain mouth matches this dimension.

What is the standard size of a kitchen sink drain.

When installing a new kitchen sink drain or repairing an old leaking one you need a particular size drainpipe. The standard size of stainless steel kitchen sink is measured at 19 gauge which is cost effective for a kitchen sink. A standard kitchen drain is 3 1 2 inches in diameter. This pipe is the standard size for all kitchen sinks.

It provides the right amount of flow to drain a kitchen sink during heavy use. 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. Many findings have recommended 16 to 18 gauges as a choice for kitchen sink improvement. However most of the bathroom sinks use 1 inch drain pipe.

However the better quality comes with an 18 gauge which is 0 0500 inches. This size is precisely the diameter of the pipe instead of the length. Average cabinets measure 24 inches deep 36 to 42 inches high and 25 1 4 to 26 inches wide the standard 22 by 33 inch sink fits well within these dimensions. All the pipes that connect to the tailpiece including the p trap assembly.

Since all kitchens use this size of pipe it is best to stick with it during any repair. 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.