A Complete Guide: How to Measure Toilet Seat

how to measure toilet seat feature
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If you need toilet replacement in Australia, you may be wondering how to measure a toilet seat to ensure a proper fit. Measuring a toilet seat size may seem simple, but it requires attention to detail to achieve a most perfect measurement. In this article, we will guide you through the process of measuring for toilet seats. Whether you’re looking to upgrade your bathroom or replace a worn-out seat, our guide will help you make an informed decision and avoid common pitfalls. So, let’s dive into the matter and learn how to measure a toilet for replacement like a pro!

how to measure a toilet seat

Do Toilet Seat Measurements Need to Be Exact?

Before learning the toilet seat measurement steps, we should know that not all seats have the same size and shape, so toilet seat measurements need to be exact to ensure that the seat fits your toilet bowl properly and securely. Why so? Here are the reasons:

  • Avoid potential discomfort or injury. A poorly fitted seat can cause discomfort, wobbling, and even accidents. For example, a seat that is too small may shift or slide around, causing the user to feel unstable or fall off. On the other hand, a seat that is too large may not fit the bowl properly, leaving gaps or overhanging edges that can collect dirt and germs.
  • The necessity of some models. One thing worthy of especial note is that the electric intelligent toilet cover seat must be of the right size to have a good electrical connection.
  • Accommodate designs of various sorts. In addition, toilet seats come in different shapes, such as round and elongated, to accommodate different toilet bowl designs. Therefore, it’s important to measure your toilet carefully and choose the right size and shape of the seat for your specific toilet model.

After knowing the importance of the exact measurement of toilet seats, it is time to proceed to the concrete steps of measuring. By learning how to measure your toilet seat correctly and exactly, you can ensure a comfortable and safe experience every time you use the toilet.

How to Measure a Toilet Seat?

Now that we have known that measuring your toilet correctly is essential to ensure that you choose a seat that fits securely and comfortably on your toilet bowl, you’ll need to know how to measure your toilet seat accurately for toilet replacement and get the correct dimensions of a seat. These steps should be followed:

  • Measuring the bolt spread: This is the distance between the two bolts that secure the toilet seat to the bowl. To measure the bolt spread, place a tape measure across the centre of the bowl, from one bolt hole to the other. The standard bolt spread for toilet seats in Australia is approximately 150mm or 6 inches.
  • Measuring the length of the bowl: This is the distance between the centre of the bolt holes to the front of the bowl where it meets the seat. To measure the length of the bowl, place a tape measure from the centre of the bolt holes to the front edge of the bowl. The length of a standard round bowl is approximately 16. 5 inches, while an elongated bowl measures approximately 18. 5 inches.
  • Measuring the width of the bowl: This is the distance between the two widest points on the outer edge of the bowl. To measure the width of the bowl, place a tape measure across the widest part of the bowl, usually near the back of the bowl. The standard width for a toilet bowl is approximately 14 inches.

It is important to note that not all toilets are the same, and the toilet seat measurements may vary. Therefore, it is recommended to double-check your measurements and refer to the manufacturer’s specifications before purchasing a new toilet seat.

how to measure toilet seat


Toilets are an indispensable component of any household, and comfortable toileting is a vital ingredient of an enjoyable modern life. Understanding how to measure toilet seat is crucial to ensure a comfortable, functional, and aesthetically pleasing bathroom. By following these 3 steps of measurement, you can make sure that the seat you choose is the right size and shape for your toilet. Never hesitate to try the steps out and prepare yourself for a wonderful toileting experience!

FAQ About How to Measure a Toilet Seat

How to Choose the Best Toilet Seat?

When choosing a toilet seat in Australia, the following factors are worthy of consideration:
● The compatibility with your toilet model, as not all toilet seats fit all toilet bowls.
● The size and shape of the seat, as different toilet bowls have different dimensions.
● The seat’s material affects the seat’s durability, comfort, and cleaning ease.
● The additional features, such as soft-close, quick-release, bidet, or heated functions, depending on your preferences and budget.
By paying heed to these factors, we can increase our chances of finding the best toilet seat for our toilets and contribute to a positive toileting experience.

Are Toilet Seats a Standard Size?

You might wonder: Are all toilet seats the same size in Australia? While most toilet seats are made to fit standard-sized toilets, some toilets may have specific seat sizes, shapes, or bolt-hole spacing requirements. In other words, it is hard to give a universal answer to this question. Therefore, checking your toilet’s specifications and choosing a seat compatible with your toilet model is essential.

How Wide Is a Toilet?

The width of a toilet can vary depending on the specific model and design. but the standard width of a toilet is around 14 to 20 inches. However, some toilets may be narrower or wider depending on their design and shape. It is important to take an accurate measurement of the toilet width to ensure compatibility with toilet accessories(such as toilet seats), accessibility and comfort of use.

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