How to Measure Toilet Rough-in Size for a Perfect Fit

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How to Measure Toilet Rough-in Size

If you’re planning on replacing your toilet, it’s important to know how to measure the rough-in size. The rough-in size is the distance from the back wall of the toilet to the center of the drainpipe. This measurement is important because it will determine what type of toilet you can buy.

To measure the rough-in size, you will need a tape measure and a pencil. First, find the back wall of the toilet. Then, measure the distance from the back wall to the center of the drainpipe. This measurement is typically between 10 and 14 inches.

Once you have the rough-in size, you can start shopping for a new toilet. Be sure to compare the rough-in size of the toilets you’re considering to make sure they’re compatible.

Measuring the rough-in size of your toilet is a simple task that can save you time and money. By knowing this measurement, you can be sure that you’re buying the right toilet for your bathroom.

Step Description Image
1 Locate the toilet flange in the floor. Toilet flange
2 Measure the distance from the center of the flange to the wall behind it. Measuring toilet rough in size
3 Add 1-1/2 inches to the measurement to account for the toilet bolts. Adding 1-1/2 inches to the measurement

What is Toilet Rough In Size?

The rough-in size of a toilet is the distance from the wall to the center of the drain pipe. This measurement is important when you are replacing an old toilet or installing a new one. It is also important to know if you are remodeling your bathroom and want to change the location of the toilet.

The rough-in size of a toilet is typically 12 inches, but it can vary depending on the make and model of the toilet. To find the rough-in size of your toilet, measure from the wall to the center of the drain pipe. If the measurement is not 12 inches, you will need to purchase a toilet that has a different rough-in size.

How to Measure Toilet Rough In Size

To measure the rough-in size of a toilet, you will need a tape measure.

1. Locate the drain pipe. The drain pipe is the pipe that connects the toilet to the sewer line. It is typically located in the back of the toilet.
2. Measure from the wall to the center of the drain pipe. Make sure that you measure from the finished wall surface, not the studs.

The measurement from the wall to the center of the drain pipe is the rough-in size of the toilet.

Here are some additional tips for measuring the rough-in size of a toilet:

  • If you are not sure how to measure the rough-in size of your toilet, you can contact a plumber or a home improvement store.
  • The rough-in size of a toilet is typically printed on the inside of the toilet tank.
  • If you are replacing an old toilet, you can measure the rough-in size of the old toilet to make sure that the new toilet will fit.

The rough-in size of a toilet is an important measurement to know when you are replacing or installing a new toilet. By following these steps, you can easily measure the rough-in size of your toilet.

How to Measure Toilet Rough In Size?

Measuring the rough-in size of a toilet is an important step in the installation process. The rough-in size is the distance from the back of the toilet to the center of the drainpipe. This measurement is necessary to ensure that the toilet will fit properly in the space that you have available.

To measure the rough-in size, you will need a tape measure and a level.

1. Locate the drainpipe. The drainpipe is the pipe that will connect the toilet to the sewer line. It is typically located in the floor, in the back of the toilet.
2. Measure the distance from the back of the toilet to the center of the drainpipe. This is the rough-in size.
3. Check the toilet’s rough-in size. The rough-in size of a toilet is typically printed on the inside of the toilet bowl. If the rough-in size of the toilet does not match the rough-in size of the space, you will need to either modify the space or purchase a toilet with a different rough-in size.

Here are some additional tips for measuring the rough-in size of a toilet:

  • Make sure that the toilet is level before measuring.
  • Use a tape measure that is long enough to reach from the back of the toilet to the center of the drainpipe.
  • Be careful not to kink or damage the tape measure while measuring.

Common Toilet Rough In Sizes

The most common toilet rough-in sizes are 10 inches, 12 inches, and 14 inches. However, there are also toilets available with rough-in sizes of 15 inches, 17 inches, and 19 inches.

When choosing a toilet, it is important to make sure that the rough-in size matches the space that you have available. If the rough-in size of the toilet does not match the rough-in size of the space, you will need to either modify the space or purchase a toilet with a different rough-in size.

Troubleshooting Toilet Rough In Size Issues

If you are having trouble installing a toilet, it is possible that the rough-in size is not correct. Here are some troubleshooting tips:

  • Make sure that you have measured the rough-in size correctly.
  • Check the toilet’s rough-in size.
  • Make sure that the toilet is level.
  • If you are still having trouble, you may need to call a plumber.

Here are some additional resources that you may find helpful:

  • [How to Measure Toilet Rough In Size](https://www.homedepot.com/c/how-to-measure-toilet-rough-in-size-for-installation-H-1932)
  • [Common Toilet Rough In Sizes](https://www.lowes.com/n/toilet-rough-in-sizes)
  • [Troubleshooting Toilet Rough In Size Issues](https://www.familyhandyman.com/plumbing/toilets/troubleshooting-toilet-rough-in-size-issues/)

Measuring the rough-in size of a toilet is an important step in the installation process. By following these steps, you can ensure that you choose the right toilet for your space and avoid any installation problems.

How do I measure the rough-in size of a toilet?

To measure the rough-in size of a toilet, you will need a tape measure and a pencil.

1. Locate the toilet flange. The toilet flange is the metal ring that is attached to the floor and supports the toilet. It is typically located 12 inches from the back wall of the toilet.
2. Measure the distance from the center of the toilet flange to the wall behind it. This is the rough-in size of the toilet.

The standard rough-in size for a toilet is 12 inches, but some toilets may have a different size. It is important to measure the rough-in size before you purchase a toilet so that you can make sure it will fit in your bathroom.

What is the difference between a 10-inch and a 12-inch rough-in toilet?

The difference between a 10-inch and a 12-inch rough-in toilet is the distance from the center of the toilet flange to the wall behind it. A 10-inch rough-in toilet has a distance of 10 inches, while a 12-inch rough-in toilet has a distance of 12 inches.

If you have a 10-inch rough-in toilet, you will need to purchase a toilet that has a 10-inch rough-in size. If you have a 12-inch rough-in toilet, you will need to purchase a toilet that has a 12-inch rough-in size.

It is important to make sure that the toilet you purchase has the correct rough-in size for your bathroom. If you install a toilet with the wrong rough-in size, it will not fit properly and may leak.

Can I replace a 10-inch rough-in toilet with a 12-inch rough-in toilet?

Yes, you can replace a 10-inch rough-in toilet with a 12-inch rough-in toilet. However, you will need to make some modifications to the plumbing in your bathroom.

To replace a 10-inch rough-in toilet with a 12-inch rough-in toilet, you will need to:

1. Move the toilet flange 2 inches closer to the wall.
2. Re-plumb the toilet to the new flange.

It is important to note that this is a relatively complex project and should only be attempted by someone who is familiar with plumbing. If you are not comfortable doing this yourself, you should hire a professional plumber to do the work for you.

What are the different types of toilet rough-in sizes?

There are three different types of toilet rough-in sizes:

1. 10-inch rough-in: This is the most common type of toilet rough-in size. The distance from the center of the toilet flange to the wall behind it is 10 inches.
2. 12-inch rough-in: This is the second most common type of toilet rough-in size. The distance from the center of the toilet flange to the wall behind it is 12 inches.
3. 14-inch rough-in: This is the least common type of toilet rough-in size. The distance from the center of the toilet flange to the wall behind it is 14 inches.

It is important to make sure that the toilet you purchase has the correct rough-in size for your bathroom. If you install a toilet with the wrong rough-in size, it will not fit properly and may leak.

How do I find the rough-in size of my toilet?

If you are not sure what the rough-in size of your toilet is, you can find it by following these steps:

1. Locate the toilet flange. The toilet flange is the metal ring that is attached to the floor and supports the toilet. It is typically located 12 inches from the back wall of the toilet.
2. Measure the distance from the center of the toilet flange to the wall behind it. This is the rough-in size of your toilet.

If you are unable to find the toilet flange, you can also contact a plumber to help you determine the rough-in size of your toilet.

In this blog post, we have discussed how to measure toilet rough in size. We have covered the following topics:

  • What is toilet rough in size?
  • How to measure toilet rough in size?
  • Common mistakes people make when measuring toilet rough in size
  • How to use your measurements to choose the right toilet

We hope that this information has been helpful and that you are now able to measure toilet rough in size with confidence. If you have any further questions, please do not hesitate to contact us.

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.