What Is The Rough In Height For Kitchen Sink Drains?

Updated: June, 2022

When it comes to sink drains, there are a few things you need to take into consideration. The most important factor to know is the rough-in height for kitchen sink drains? This is the distance between the drain and the wall. It’s important to get this measurement right, so you know what size of drain you need.

How to measure the rough in height for kitchen sink drains

How high should the kitchen sink drain be from the floor?

The typical height of a kitchen sink drain is between 20 and 24 inches. This varies based on the vanity, the type of fixture that’s being used, as well as how high up you place it in your home’s plumbing system lengthwise.

Let’s continue the blog, we will discuss everything you need to know about the rough-in height for kitchen sink drains. And it helps you choose the right one for your home! 

Factors that can affect the sink drain rough in height

There are many factors that can affect the rough-in height for kitchen sink drains.

  • The most important factor to consider is the height of your vanity. If you have a taller vanity, you’ll need a longer drain.
  • You also need to take into account the type of fixture you’re using. A pedestal sink will require a different drain than a standard sink.
  • Finally, you need to consider the length of your home’s plumbing system. The longer the system, the higher you’ll need to place the drain.

How to measure the rough in height for kitchen sink drains?

Now that you know the importance of the rough-in height for kitchen sink drains, let’s talk about how to measure it. Here are some of the steps to follow:

Step-1: Find the center of the sink drain

The first step is to find the center of the drain. You can do this by measuring from each side of the sink basin and marking the midpoint with a pencil.

Step-2: Measure from the center of the drain to the wall drain rough in height

Once you have found the center of the drain, use a tape measure to determine the distance from the center of the drain to the nearest wall. This is your rough-in height for kitchen sink drains.

Step-3: Determine the appropriate drain size for proper drainage

Now that you know the rough-in height for your kitchen sink drains, you can determine the appropriate drain size. The standard drain sizes are 1-1/2 inches, 2 inches, and 3 inches. However, you may need a larger or smaller drain depending on the rough-in height.

For example, if your rough-in height is less than 18 inches, you will need a 1-1/2 inch drain. If your rough-in height is between 18 and 24 inches, you will need a 2-inch drain. And if your rough-in height is more than 24 inches, you will need a 3-inch drain.

Now that you know the importance of the rough height for kitchen sink drains and how to measure it, let’s discuss the Standard Kitchen Sink Drain Size for your home.

What is the Standard Kitchen Sink Drain Size for your home?

The standard kitchen sink drain size for your home is 1 ½ inches. However, you may need a larger or smaller drain depending on the rough-in height.

For example, if your rough-in height is less than 18 inches, you will need a 1-1/2 inch drain.

What are some common problems with incorrect rough in heights for kitchen sinks:

  • Sinks that are too low can be uncomfortable to use and make it difficult to wash large pots and pans.
  • Sinks that are too high can cause water to splash out of the basin and make it difficult to reach the faucet.

The wrong rough height can also make it difficult to install the drain properly, resulting in leaks.

If you’re not sure what the rough in height should be for your kitchen sink, it’s best to consult a plumber or contractor. They’ll be able to help you measure and install the sink at the correct height.

LEARN POST: How long does it take to replace a kitchen faucet?

How far below the drain should the P trap be?

The plumbing code is very strict about how long your p-traps can be. The total developed length of all tailpieces, arms, and fittings connecting the drain to it must not exceed 24 inches!

What pipes do I need for a kitchen sink?

Kitchen drains can be either 1 1/2 inches in diameter or the 1 1/4-inch pipes often found in bathroom sinks. If this is the right size, there are fittings that can transition a kit to a 2-inch outlet pipe.

What size pipe is used for the kitchen sink drain?

The drain line size is 1 1/2 inches in diameter. This size drain line is necessary for kitchen use. Larger diameter drain lines are needed for main drain lines and other large-volume drain uses.

What is the common kitchen counter height?

The common height for a kitchen countertop is 36 inches. If you have an existing home, you can measure your countertops and make sure they are 36 inches high. 42 inches is the specified kitchen island height for bar-style seating.

What is the minimum sink depth?

The standard sink depth for a kitchen sink is 8 inches deep. This allows ample room for most people’s arms to reach into the sink and wash dishes, but it doesn’t take up too much space in your kitchen!

Hope you found your answer about What is the rough in height for kitchen sink drains. But you have to measure it carefully because the wrong rough height can result in some serious problems like leaks. Also, don’t forget to consult a professional if you’re unsure about anything. Good luck!

Thanks for reading!

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About Author:

Danyal is a Freelance Copywriter that has been writing for online publications including Home improvement, newsworthy blogs and even a few personal blogs. He has a passion for writing and loves to share his knowledge with everyone who wants quality information.

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