Elongated Toilet Seat Riser

Elongated Toilet Seat Riser

Elongated Toilet Seat Riser
Elongated Toilet Seat Riser

When the time come’s to buy a raised toilet seat you will have two choices really. Standard toilet seat riser and a elongated toilet seat riser. If you can’t tell the difference by just looking at it then you will need to measure your toilet bowl to see which one you have. You will need a tape measure to measure the toilet rim so we can work out if it’s standard or elongated.

How to measure toilet seat- Measuring your toilet to see is if it is a standard or elongated  rim is pretty easy. Measure from the front of the toilet rim to the center of the mounting holes of the toilet seat hinge. That measurement will be either for a round or standard toilet seat is 16.5 inches and for a elongated toilet seat riser this measurement will around 18 inches. See picture below for more details how to measure

A: Measure from the center of hole to hole where the seat attaches to the bowl at the back of the seat area. The standard measurement is
about 155mm (5 and 1/2 inches for US pots) between the holes.

B: Measure the width of the bowl where it is the broadest.

C:  Measure at the center front of the toilet bowl and stretch it to the center of the hinges “A” between the post holes.
In the USA there is mainly two seat shapes:
– round (measurement C about 16.5 inches)
– elongated (measurement C about 18 inches, most frequently used in commercial applications)


Once you have found out which what toilet bowl you have then it’s time to find a seat to suit your needs. Elongated toilet seats come in a variety of different size risers so it’s best to know how high you want the seat before you invest in one as they are non returnable due to health reason’s.

Make sure when you are deciding on a seat to make it easier for your self or the installer is get a tool free friendly seat. What that means is that they are easily installed with no tools. In saying that if the one you want needs tools all that will be is either a wrench or pliers just to hold the nut when tightening up the bolt that holds the seat on.


Elongated toilet seats come in array of sizes in lift wise from 2″ and upwards. Make sure when you are looking for a seat to look for easy installation and cleaning. Most places are non refundable so choose wise and you will have trouble free hassles for years to come. Check out this seat for more ideas as well