What Is The Standard Size Of A Kitchen Sink Drain

A standard kitchen drain is 3 1 2 inches in diameter.

What is the standard size of a kitchen sink drain. This is the measurement across the center of the drain from one side to another. The drain strainer the bowl shaped piece inside the drain mouth matches this dimension. It is designed to sit inside the drain mount and seal it closed when flush to the drain bowl. The standard size of stainless steel kitchen sink is measured at 19 gauge which is cost effective for a kitchen sink.

This pipe is the standard size for all kitchen sinks. 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. It provides the right amount of flow to drain a kitchen sink during heavy use.

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 standard size and setting every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe. If your base cabinets are larger than. All the pipes that connect to the tailpiece including the p trap assembly.

However the better quality comes with an 18 gauge which is 0 0500 inches. Since all kitchens use this size of pipe it is best to stick with it during any repair.