Measuring for Your New Toilet

Replacing a toilet may seem like a simple swap – but getting the right fit starts with the right measurements. Before you pick out a new model, you’ll want to be sure it’s compatible with your bathroom’s layout, especially when it comes to toilet rough-in measurements. Here’s a quick guide to help you measure with confidence.

What Is a Rough-In?

The rough-in is the distance from the wall behind your toilet to the center of the drainpipe (or the bolts that hold your current toilet to the floor). This measurement is crucial because toilets come in standard rough-in sizes – most commonly 12 inches, but 10-inch and 14-inch rough-ins are also usual in older homes or smaller bathrooms.

How to Measure Toilet Rough-In

1. Locate the toilet bolts at the base of your toilet (usually covered by caps).

2. Measure from the center of one of the bolts straight back to the wall behind the toilet. Note: Don’t measure from the baseboard – measure from the wall itself.

3. If your toilet has four bolts, measure from the center of the rear bolts.
   

This measurement will tell you what size rough-in your new toilet needs to match. Getting it right can make the difference between a proper fit and costly plumbing adjustments.

Watch this great video or check out this blog for more information!

Don’t Forget Clearance Height

While the rough-in toilet measurement is the star of our blog, clearance height shouldn’t be overlooked. Clearance height refers to the space available from the floor to any overhead obstructions, like low-hanging cabinets or beams. Make sure your new toilet will have sufficient room above, so you can sit comfortably without feeling cramped. Although most modern toilets are designed to fit standard ceiling heights, double-checking this detail will help maintain both comfort and style in your bathroom.

Side Clearance: Make sure there’s at least 15 inches from the center of the toilet to any side wall or fixture.

Front Clearance: Leave at least 21 inches in front of the toilet (24-30 inches is more comfortable if you have space).

Toilet Height: Standard toilets are about 15 inches high, but comfort height toilets (around 17–19 inches) are becoming more popular for ease of use.

Tips for Accurate Measurement

Always measure twice to avoid any installation headaches. A small error could mean the difference between a seamless installation and having to modify your plumbing.

Take variations into account! If your wall finish isn’t yet installed, consider the future placement of tile or paneling. Account for any additional thickness that may affect your rough-in measurement.

Finally, when in doubt, getting a professional opinion can save time and effort. They can provide clarity on any tricky spots or unexpected challenges.

Ready to Shop?

Once you’ve measured your rough-in and checked for clearance, you’re all set to choose a toilet that fits your space and style. Browse toilets at SquarePeg for durable, dependable options from brands you trust.

Need help finding the right model? Reach out to the SquarePeg team. We’re always happy to help!