A non-standard toilet is anything apart from the standard sizes listed earlier in this article. Surprising, I know. They could be an odd shape, length, or have seat post holes that are farther apart or closer together than the standard 5.5 inches.

How do I know what toilet seat will fit my toilet?


Quote from Youtube video: If the measurement is 16 and a half inches. Your toilet requires a round seat a measurement of 18 and a half inches. Means your toilet will need an elongated seat.

What are the different types of toilet seats?





Toilet seats generally come in a choice of two materials, plastic or wood.

  • Plastic Toilet Seats. Plastic seats are more common. …
  • Wooden Toilet Seats. Wooden toilet seats are less able to withstand wear and tear, but they will offer you a warmer seat in the winter! …
  • Soft Close Seats. …
  • Ultra-Slim Seats. …
  • Bidet Seats/Smart Seats.


Where is toilet seat model number?

Identify Toilet Model Number from Serial Number

  1. On the back or side of the inside of the toilet tank.
  2. On the back of the toilet tank.
  3. On the underside of the toilet bowl.


What are the three types of toilet?





The Three Main Types Of Toilets

  • Wall Hung toilets.
  • Close Coupled toilets.
  • Back To Wall toilets.