How to Measure Your Bathtub Drain Size for a Replacement

How to Measure Bathtub Drain Size

Your bathtub drain is an important part of your plumbing system. It allows water to drain out of your bathtub quickly and efficiently, preventing water from backing up into your tub. If your bathtub drain is clogged, it can be a major inconvenience. You may not be able to take a bath or shower, and your bathroom may flood.

If you think your bathtub drain is clogged, you may want to try to fix it yourself before calling a plumber. One of the first things you will need to do is measure the size of your bathtub drain. This will help you determine what type of drain clog remover you need to use.

Measuring your bathtub drain is a simple process. In this article, we will walk you through the steps involved. We will also provide some tips on how to fix a clogged bathtub drain.

Step Instructions Image
1 Locate the drain in the center of the bathtub.
2 Remove the drain cover.
3 Measure the diameter of the drain opening.

How To Measure Bathtub Drain Size?

Tools and Materials Needed

To measure your bathtub drain size, you will need the following tools and materials:

  • A tape measure
  • A pencil
  • A piece of paper

How to Measure the Drain Opening

1. Locate the drain opening. The drain opening is typically located in the center of the bottom of the bathtub. It may be covered by a drain cover, which you can remove by unscrewing it or prying it up with a screwdriver.
2. Measure the diameter of the drain opening. Use a tape measure to measure the diameter of the drain opening. The diameter is the distance across the opening, from one side to the other.
3. Record the measurement. Write down the measurement of the drain opening on a piece of paper.

Bathtub Drain Size Standards

Bathtub drain sizes are typically standardized, so you can usually find a replacement drain that fits your bathtub without having to measure it. However, it is always a good idea to double-check the measurement before you buy a new drain.

The most common bathtub drain sizes are 1 1/2 inches and 2 inches. However, there are also 1-inch and 2 1/2-inch drains available. If you have an older bathtub, it may have a 1-inch drain.

Replacing a Bathtub Drain

Replacing a bathtub drain is a relatively simple DIY project. However, it is important to follow the steps carefully to avoid damaging the bathtub.

1. Turn off the water supply to the bathtub. The water supply valve is typically located near the bottom of the bathtub. Turn the valve clockwise to turn off the water.
2. Remove the old drain. Use a screwdriver to unscrew the old drain from the bathtub. Be careful not to damage the bathtub.
3. Install the new drain. Apply a thin layer of plumber’s putty to the bottom of the new drain. Insert the drain into the bathtub and tighten the screws.
4. Turn on the water supply to the bathtub. Check the drain to make sure it is working properly.

Measuring your bathtub drain size is a simple process that can be completed in just a few minutes. By following the steps in this guide, you can easily find a replacement drain that fits your bathtub.

If you have any questions about measuring your bathtub drain size or replacing a bathtub drain, please consult a qualified plumber.

How to Measure the Drain Pipe

To measure the drain pipe, you will need to find the following measurements:

  • The diameter of the drain pipe
  • The length of the drain pipe

To find the diameter of the drain pipe, you will need to measure the inside diameter of the pipe. You can do this by using a ruler or measuring tape.

To find the length of the drain pipe, you will need to measure from the top of the drain to the bottom of the drain. You can do this by using a ruler or measuring tape.

Once you have the measurements of the drain pipe, you can use them to convert your measurements to UPC codes.

How to Convert Your Measurements to UPC Codes

To convert your measurements to UPC codes, you will need to use the following formula:

“`
UPC Code = (Diameter in inches * 100) + (Length in inches)
“`

For example, if the diameter of your drain pipe is 1.5 inches and the length of your drain pipe is 10 inches, the UPC code for your drain pipe would be 150 + 10 = 160.

Once you have the UPC code for your drain pipe, you can use it to purchase a new drain pipe that is the correct size.

Measuring your bathtub drain size is a simple process that can be completed in just a few minutes. By following the steps in this guide, you can ensure that you purchase a new drain pipe that is the correct size for your bathtub.

How do I measure my bathtub drain size?

To measure your bathtub drain size, you will need a ruler or tape measure.

1. Locate the drain. The drain is typically located in the center of the bathtub, but it may be off-center in some bathtubs.
2. Measure the diameter of the drain. The diameter is the distance across the drain, from one side to the other.
3. Round up to the nearest 1/8 inch. This will give you the correct size drain for your bathtub.

What are the different types of bathtub drain sizes?

There are three main types of bathtub drain sizes:

  • 1-1/2 inch
  • 2 inch
  • 2-1/2 inch

The size of the drain you need will depend on the size of your bathtub.

How do I replace a bathtub drain?

To replace a bathtub drain, you will need a new drain, a screwdriver, and a wrench.

1. Turn off the water supply to the bathtub. This can usually be done by turning a valve located under the sink.
2. Remove the old drain. The old drain is typically held in place by a nut or bolt. Use a screwdriver or wrench to loosen the nut or bolt and remove the old drain.
3. Install the new drain. The new drain should come with instructions. Follow the instructions to install the new drain.
4. Turn on the water supply to the bathtub. Test the drain to make sure it is working properly.

What are some common problems with bathtub drains?

There are a few common problems with bathtub drains, including:

  • Clogged drains
  • Slow drains
  • Leaking drains

Clogged drains can be caused by hair, soap scum, and other debris. Slow drains can be caused by a buildup of sediment or a clog in the drainpipe. Leaking drains can be caused by a crack in the drain or a loose connection.

To fix a clogged drain, you can use a plunger, a drain snake, or a chemical drain cleaner. To fix a slow drain, you can try clearing the drain with a plunger or a drain snake. To fix a leaking drain, you will need to repair the crack or tighten the connection.

How can I prevent bathtub drain problems?

There are a few things you can do to prevent bathtub drain problems, including:

  • Keep the drain clean. Rinse the drain after each use to prevent hair and soap scum from building up.
  • Use a drain cover. A drain cover can help to prevent hair and other debris from entering the drain.
  • Don’t pour grease or oil down the drain. Grease and oil can solidify and clog the drain.
  • Don’t flush wipes or other non-flushable items down the drain. These items can clog the drain.

By following these tips, you can help to prevent bathtub drain problems.

In this blog post, we have discussed how to measure bathtub drain size. We have covered the different types of bathtub drains and the steps involved in measuring each type. We have also provided some tips for choosing the right bathtub drain for your needs.

We hope that this blog post has been helpful. If you have any questions, please do not hesitate to contact us.

Here are some key takeaways from this blog post:

  • The size of your bathtub drain is important to consider when choosing a new bathtub.
  • There are three main types of bathtub drains: overflow drains, pop-up drains, and floor drains.
  • To measure an overflow drain, you will need to measure the diameter of the drain opening.
  • To measure a pop-up drain, you will need to measure the diameter of the drain opening and the height of the drain flange.
  • To measure a floor drain, you will need to measure the diameter of the drain opening and the depth of the drain.

By following these steps, you can easily measure the size of your bathtub drain and choose the right replacement drain for your needs.

Author Profile

Liana Farrell
Liana Farrell
Liana Farrell is the owner of toiletty.com. She is a mom of two and is very passionate about home improvement.

Liana has ten years of home improvement experience, and in her own words, she said: “I love improving the home, and I’m very passionate about keeping the home in the best possible condition. I love it!”

Liana Farrell balances beauty and functionality when she goes about her home improvement jobs.