This measurement is known as the rough-in measurement. But some toilets require 10 or 14 inches of space from the wall to the center of the toilet flange. When you’re measuring, measure the rough-in from the finished wall and not from the baseboard or base moldings. If you measure a few times and come up with 10 or 14 inches, you will need to replace with the proper size toilet. Measure from the center of those caps or bolts to the wall and that measurement is your “rough in”. What exactly is a “rough in” and how do you measure a toilet rough in? Some homes, especially older ones, may have 10 or 14 inch rough ins. Never measure from the molding (baseboard) to the flange, only against the wall. Toilet rough in is the measurement from the wall of the bathroom to the bolt cap of the toilet. If there is a baseboard or a shoe molding, add the thickness of these to the measurement. How do you know what size toilet you need? 2. It’s important to know specifically what your toilet’s rough-in size … The toilet was squeezed in when we took it out... tank pressing against the wall. Toilet rough in is the measurement from the wall of the bathroom to the bolt cap of the toilet. Make sure to measure the distance from the wall (not the skirting board) to the center of the flange. Measuring the toilet rough in size is one important and major measurement you need to consider when you want to buy and fix a new toilet. You need enough space behind the toilet for the toilet’s tank to sit. The term isn’t exactly self-explanatory so it does take some understanding of toilets and plumbing. Toilets are typically offered in either 10 inch, 12 inch, or 14 inch rough-ins. not to mention that sometimes walls end up getting moved after the fact because someone else messed up such as the plans themselves The rough-in measurement is the distance from the wall to the middle of the toilet flange, which … Rough-in Size: After all this is the most important specification you need to look at when buying any toilet. The same applies to any vanities, sinks, and shower bases. If you can’t see the plumbing in the floor then how can you measure? An ADA-compliant version needs to have a … Toilet Dimensions: How To Measure the Rough-In The rough-in of a toilet is the dimension between the center of the flange and the wall behind the water closet. What is the rough in dimension for a toilet? Measuring for a corner toilet might seem tricky, but it’s just as easy. To do this, take a tape measure and measure from the back wall (not baseboard) to the center of one of the rear closet bolts. How do I recognize which ones are the right size for the rough in? You may have a wall on one side and a bathtub or other fixture on the other side. Follow these step-by-step instructions for measuring the toilet rough in: Remember, the center of the toilet flange to the wall should be 12 inches. An affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. If you have a corner toilet, you’ll still measure the rough in (below I’ll share how to measure a corner rough in). If your existing toilet has four bolts, measure to the center of the back bolts. That measurement is the toilet rough in.This refers to both the area where the waste outlet hole was placed to sit beneath the toilet, as well as the rough in measurement, which determines which toilets will or will not work in the space. Measure from there to the middle of the bolt holes. Get it wrong, your toilet won’t fit. Most people install 1/2″ drywall. You need to measure the space you have on both the left and right sides of toilet. Do not measure from the baseboard, instead, measure from the wall (baseboard will reduce your measurement an inch or so). … I’d say 80% of toilets have a 12” rough in so don’t be surprised if you do as well. In toilet language, matching rough-in size is like a shape matching game. If you have an old toilet with 4 bolts, measure to the rear ones. A walk down the bathroom aisle at your local home improvement store will highlight the latest and greatest toilets, as well an Internet search that tells you about water efficiency and superior flushing power. I make a point to try a toilet in every country I visit. In toilets, the rough in distance is the distance from the wall behind the toilet to the center of the toilet outlet pipe where the waste matter leaves during flushing. When you begin to look at toilet options you’ll read all kinds of details about the toilet. 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