All kitchen sinks today have the same diameter drain, which is 3 1/2 inches and is larger than a bathroom drain which measures in at 1 1/4 inches. It is the same size as a typical standard shower drain, however. When installing a new drain into the sink, you have no need to shop for certain diameter drains.
- 1 What is the standard drain size for a kitchen sink?
- 2 How do I know what size sink drain I need?
- 3 What is standard drain pipe size?
- 4 Are all kitchen sink holes the same size?
- 5 Do sink drains come in different sizes?
- 6 What size is bathroom waste pipe?
- 7 What size is bathroom sink drain pipe?
- 8 What size is the main sewer line in a house?
- 9 Are sink tap holes a standard size?
What is the standard drain size for a kitchen sink?
According to Signature Hardware, a standard kitchen drain is 3 1/2 inches in diameter. 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.
How do I know what size sink drain I need?
Sizing the Drain The drain on a sink has to be narrower or equal to the size of the drain hole. If the opening in the upper part of the sink basin is, for instance, 1.5 inches wide, the drain can be 1.25 or 1.5 inches wide.
What is standard drain pipe size?
There is a pipe size. Most modern drains have a 1 1/2 inch outlet, but older sinks may have drains that connect to a 1 1/2 inch tailpiece. All the pipes that connect to the tailpiece are either 1 1/2 or 1 1/2 inches in diameter.
Are all kitchen sink holes the same size?
While not all faucets are the same, the standard sink faucet hole size is 1 3/8 inches. If the faucet is a three or four-hole faucet, you’ll need holes 6 or 8 inches across your kitchen sink. Widespread faucet hole spaces can be as wide as 16 inches.
Do sink drains come in different sizes?
Measure the Sink Most drain openings are 1 1/4 inches, although 1 1/2 inches and 1 5/8 inches are also common sizes.
What size is bathroom waste pipe?
32mm – for hand basin waste pipe. 40mm – for sink and bath waste pipe.
What size is bathroom sink drain pipe?
The standard size for a bathroom sink drain pipe is 1.25 inches in diameter. However, this is determined based on your state’s housing code, and you may find that they suggest 1.5 inches or 1.65 inches in diameter, and your home has been built with this plumbing standard.
What size is the main sewer line in a house?
Sewer lines are typically four to six inches in diameter and sloped downwards to promote the flow of water away from your home and into your city’s sewer.
Are sink tap holes a standard size?
Standard taps and spouts generally require a hole of at least 22mm in diameter. Monobloc mixer taps, taking both a hot and cold supply, mostly require a minimum 32mm diameter hole.