Standard Shower Pan Sizes – An Informative Guide from Experts


Shower pans are available in various sizes and materials; however, they all serve a crucial role. A shower pan is essential for adequate waterproofing and safeguarding your floor. Based on the size of the shower, you can choose from a selection of standard sizes for shower pans. The standard shower pan sizes vary between 30 and 30 inches, the 48-by-60 inches. Shower pans are available in even-numbered sizes and have a minimum depth of 2 inches. Shower pans may be as deep as 6 inches. If the shower has a sloped floor, measure how steep the floor is per foot, then subtract 2 inches to determine the minimum pan’s depth. It is possible to purchase standard-sized shower pans from home renovation stores or plumbing shops. The size standards allow them to accommodate most regular-sized showers. You can obtain shower pans of a specific size if you’ve got an unusual-sized battery.

What are standard shower pan sizes?

If you’re looking for ready-made shower pans, There are many options to think about. The standard shower pan sizes correspond with the most popular dimensions for showers. They generally vary between 30 inches and 60 inches. The most common measurement is 30 inches by 60 inches.

See another info guide on how to install a shower base. Learn more here.

Here are the most common shower pan sizes in a glance:

  • 30” x 30”
  • 30” x 60”
  • 32” x 32”
  • 36” x 36”
  • 34” x 36”
  • 36” x 42”
  • 32” x 48”
  • 34” x 48”
  • 36” x 48”
  • 32” x 54”
  • 36” x 54”
  • 32” x 60”
  • 34” x 60”
  • 36” x 60”
  • 42” x 42”
  • 48” x 48”
  • 42” x 48”
  • 48” x 60”
  • 42” x 60”

Do shower pans come in custom sizes?

If you’re planning to build your own shower, a typical shower pan may not be suitable. Because your shower pan must fit perfectly, you’ll have to order an individual shower pan. This can be accomplished at an obvious cost. A variety of design and remodeling firms offer the possibility of ordering shower pans that are custom-designed for you. You can provide them with your measurements, and they’ll cut and create the pan to meet your requirements.

Custom pans are also helpful if the drain in your shower is located in an unusual location. In this situation, your battery may be of standard size; however, the drain, for some reason, isn’t aligned with the traditional shower pan. There’s also the option to select the materials you want and other options.

Can you make your own custom shower pan

If you’re not sure you’re ready to spend the extra dough to purchase a customized shower pan, you could create your own. What you’ll save on costs is what you’ll get back in time.

What is the smallest standard shower pan size?

The most common shower pan that you could find for a standard shower will measure 30″ by 30″. This aligns with the International Residential Code’s (IRC) minimum battery dimensions. Although a minimum size of 36 inches by 36 inches is far more comfortable, it’s nice to know that you can choose a smaller size.

What is the largest standard shower pan size?

They can be as big as you’d like with custom-sized shower pans. However, the largest size is 48 60 inches for regular shower pan sizes. The most frequently measured dimension is 42 60”.

Most common shower pan shapes

The most commonly used shower pan shapes are rectangles and squares. There are also shower pans made to order to fit corners. The pans are known as Neo-angle shower pans.

  • 32″ x 32″
  • 34″ x 34″
  • 36″ x 36″
  • 38″ x 38″
  • 42″ x 42″
  • 48″ x 48″

How do you choose the right shower pan size for your bathroom

First, determine the form you want in your shower pan. Then, you will be able to decide on the correct size.

Measuring for a Shower Pan

Utilizing a tape measure, determine the distance from the outer side of the shower to the opposite side and along the wall. If you already have a plan for your battery, you can take measurements of the pan. Make sure you measure from the edges of the pan, and you’ll have your dimensions in length and width.

Determining the proper depth

The depth of your shower pan must be at least 2 inches away from the drain’s top. However, some pans are more than six inches deep. These dimensions are for a shower with a flat floor. However, if the shower floor slopes towards drains, the size is determined by its pitch. Find out how much the floor slopes per foot if your floor is sloped. Subtract two inches to calculate the minimum depth of your shower pan.

Consider the threshold and drain location

When you are measuring the shower tray, make sure to look at the location of the drain and the threshold. You don’t want to buy the right size pan only to discover the drain cut-out was in the wrong place. Or, you bought one with the threshold on the wrong side. For instance, specific pans have drains in the middle, while others have them on the left, to the left and the list goes on. In the same way, the threshold may be only on one side. However, you will require a dual entry.

A double threshold is required when you enter your shower on two sides, such as the square or rectangular battery located in the corner. This is usually the part of the pan facing the shower entrance. Typically, this area is slightly raised to aid in keeping water out of the shower.

Shower pan materials

Shower pans can be found in various waterproof materials. The most sought-after are fiberglass and acrylic. Fiberglass is typically very affordable when you purchase shower pans prefab. However, it is susceptible to staining and is challenging to wash. These drawbacks make it not an ideal option for long-term solutions.

Acrylic pans are less challenging to maintain and clean; however, they are a slightly higher expense. It is possible to select various colors. If you prefer something more sophisticated, there are other options made in stone shower basins. The pans, priced higher, look similar to tiles but without grout. They’re also simple to clean and anti-mold and mildew.

It is also possible to purchase tiles-ready bases made from various materials. However, they cannot be used to replace shower pans. It is necessary to put tiles over them to ensure proper waterproofing.

Is a shower pan the same as a shower base

Technically speaking, there is no. A shower pan is a floor that you walk on when you shower. If you buy a shower pan, it’s a prefab ready-to-go item. However, the shower base refers to the things that are underneath the floor of the shower. If you buy a shower base. It might be set to be tiled, etc. However, many locations and individuals tend to employ these terms to mean the same thing. Therefore, know precisely what you’re buying before purchasing. Don’t just rely on the item’s description as shower pans or shower base.


Shower pans made of prefab can be a cheap option to set up the shower floor. You can purchase them in sizes that are compatible with most standard dimensions for showers. Standard shower pan sizes vary between 30×30 inches up to 48-by-60 inches. The most popular kinds are rectangle and square, and Neo-angle pans to make corner showers. If you cannot get the right size in a prefabricated shower pan, it’s best to buy an individual-sized pan.

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