The rough-in measurement of a toilet refers to the span between the wall behind the toilet and the center of the waste pipe. To measure the rough-in for your toilet, measure from the wall behind the toilet to the middle of the bolt caps (the caps holding your toilet to the floor).

How do I know if I have a 10 in or 12 in rough toilet?

If your toilet has four bolts rather than the standard two, you’ll measure to the center of the rear bolts. The standard rough-in measurements are 10, 12 and 14 inches. If your measurement is in between these intervals, round your number down to the nearest standard measurement.

How do I know what size toilet I need?





Quote from the video:
Quote from Youtube video: I would recommend that your closet Bend be set a half inch less meaning the distance from the finished wall to the center of your closet Bend. Then the actual toilet bowl you're going to choose now

How do you measure toilet rough opening?

Here’s how:

  1. Identify where the toilet is bolted to the floor. Look for small bolts or caps at the base of your toilet. …
  2. Measure from the wall to the center of the toilet’s base bolts. Doing so will provide you the toilet’s rough-in distance.
  3. Avoid measuring from baseboards or other moldings. …
  4. Check your work.


How do I make sure my new toilet will fit?

If the base of the new toilet is shorter than the distance between the rear bolt holes and the wall, it should fit. In small bathrooms where space is tight, also measure from the sides of the flange bolts to the sidewalls or other objects to assure side-to-side clearance.

What is rough-in distance for toilet?





In general, the toilet rough-in distance is 12″ from the center of the toilet flange to the back wall for a typical toilet. There should also be a minimum of 15″ from the centerline of the toilet to any wall or object on either side of the toilet.

What does 12-inch rough-in mean?

12-inch Rough-in Toilet. If you’re not familiar with the term “rough-in,” the experts at PlumbersStock explain that it’s the location where the water outlet is (in most cases) beneath the toilet. The actual rough-in measurement is the distance between the center of this outlet to the wall facing the back of your toilet

How far should a toilet be from the wall?

Most codes require at least 15 inches (measured from the center of the toilet) from any side wall or obstruction and not closer than 30 inches center to center to any other sanitary fixture. (The NKBA actually recommends 32 inches.) There should be at least 24 inches of clear space in front of a toilet or bidet.

How far off the wall is a toilet flange?

What should the toilet flange distance be from the wall? To begin, you’ll want to equip yourself with a tape measure so you can be sure you’re as accurate as can be. The center of the water closet flange should be 12-inches from the back wall.

Are all toilets standard size?



The simple answer to the question “Are toilet seats a standard size?” is no. Unfortunately, toilet seats aren’t produced in a standard size, however, that doesn’t mean you can’t easily find a replacement for your own toilet.

How much room do you need to install a toilet?

A minimum distance from the center of the toilet to both side walls of 15 inches. When designing the area your toilet will sit, you must provide a floor space that is at least 30 inches wide and 60 inches long. A minimum spacing between the center of adjacent fixtures of 30 inches.

How far can a toilet be from a vent stack?

6 feet



According to the UPC, the distance between your trap and the vent should be no more than 6 feet. In other words, for the vent to work properly, it needs to feed into the drain line within 6 feet of the trapways that connect to it.