It's one size larger than the kitchen sink drain size.

Kitchen drain pipe size. When combined with a laundry tub, the drain pipe must be a minimum of 2. Supply pipes are ¾ inch in diameter and individual components are ½ inch in diameter. The standard kitchen sink drain size is 3 ½ inches.

Toilet drain pipes are usually 3 inches in. The standard kitchen sink plumbing has the kitchen sink drain about 28 inches from the floor. Because the pipes are smaller, the waste flow is more focused.

This pipe is usually 1 1/2 inches in diameter. The pipe sizes that the code requires. However, the height can vary based on the height of the counter and the depth of the sink bowl.

A kitchen trap arm can be 2 in diameter. Kitchen sink drains feed into a series of pipes nestled beneath the sink, whisking away drainage water. You therefore may need a different size than the normal kitchen sink drain of 1 ½ or 2 inches.

A plumbing drain pipe size chart can help you figure out which drain size you need. All the pipes that connect to the tailpiece,. The size of pvc pipe you should use for a drain will depend on.

If you need to replace a kitchen sink strainer you don’t have to measure the size of your kitchen sink drain opening. The standard pipe size for a bathroom sink drain is 1 ¼”, but 1 ½” diameter pipes are common as well. The drain attaches to this pipe.