How to Choose the Perfect Bathtub Size for Your Bathroom

everything in. Large pieces like the toilet, shelves, and bathroom cabinet already occupy much space in this small room and every inch counts.

The one thing that takes up the most room is the tub or tub/shower combo, but there is no standard size for a tub.

The average size tub takes up over 13 square feet of floor space. A corner shower stall takes up about 30 percent less space but still about 9 square feet. Full bathrooms may vary as small as 36 to 40 square feet, making it hard to find a good spot for the toilet.

Guide To Choosing Standard Bathtub Sizes

Remember the tub when choosing choices and upgrades for a new home or a bathroom remodel. You can choose from many different types and sizes of tubs to make sure that your bathroom is right on trend. And the style you select can significantly affect how your bathroom looks and feels as a whole.

Freestanding Bathtubs

You can get an average bathtub that fits into an alcove or a drop-in bathtub that fits into a built-up deck. You can also get a freestanding bathtub, anything from a copy of an old-fashioned clawfoot tub to a modern pedestal tub.

People usually leave an extra 3 inches of space around the ends of an independent tub and 4 inches between the side of the tub and the wall.

So, if you want to put this tub in a natural alcove, it will have to be about 6 inches shorter than the alcove’s width (3 inches at the head and foot of the tub). You can always search for bathroom installation tips in choosing your preferred bathtub. For instance, when planning where to put the tub in the room, use a footprint size 6 inches longer and 4 inches wider than the tub’s natural dimensions.

Alcove Bathtubs

In small baths, the tub alcove is often set up so that the two long walls of the room make up the ends of the alcove, and the back wall makes up the side of the enclosure. The room’s walls make the nook. This works well in a small bathroom at least 6 feet wide, the minimum size for a full bathroom.

But the walls are often too far apart in more enormous baths to make a natural alcove. In this type of bathroom, an extra wall could be built to separate the nook for the tub from the small alcove for the toilet.

There are many more choices for where to put the tub in a larger bathroom. Most bathtubs that are made to fit into alcoves have a finished front panel called an apron.

The two side ends and the back are open because the nook’s walls will cover them. Alcove bathtubs are between 5 and 6 feet long and 30 to 36 inches wide, so you can choose one that fits your room.

Moderately Sized Bathtubs

This standard-sized bathtub is in millions of bathrooms because it fits in the space that’s already there in most bathrooms. Most of the time, this is the type of alcove tub you will install since other choices require you to build out the bathroom to make room for them.

It can go up to 60 inches long, 32 inches wide, and 18 inches high.

Long Bathtubs

This popular part of the alcove tub market makes a standard alcove tub a foot longer and several inches wider. The bigger size of the tub means it can fit two people or people of a larger size. Or, it’s great for people who want more room to play around.

This long bathtub won’t fit most natural alcoves, but it can be a good choice for new construction or remodeling projects where walls need to be moved to make more room.

It can be up to 72 inches long, 36 inches wide, and 20 inches tall.

Drop-in Bathtubs

In bathrooms about the size of a medium-sized bedroom, the deck for a drop-in tub is sometimes built into a nook, with only one side of the deck showing. But the tub deck can fit into a corner in bathrooms with more space and have two sides open.

In bathrooms with a lot of space, these tubs can even be put on open platform decks on all sides. Drop-in bathtubs usually work best in bigger rooms because the built-in deck takes up a lot of extra space.

It is common to build a drop-in tub deck with at least 6 inches of flat deck room on all sides of the tub. This means the deck structure needs to be at least 1 foot longer and wider than the tub.

Oval Bathtubs

There are both drop-in and freestanding oval pools on the market. Even though circular tubs look bigger in all directions, they are only wider and not longer. And outdoor tubs are taller than soaking tubs.

When a standard-size oval bathtub is compared to a 60-inch alcove tub, the oval is up to 6 inches bigger. For drop-in oval tubs, you have to build a wider apron for the tub to sit on. This is something you have to think about when planning the layout of the bathroom.

The length can be up to 60 inches, 41 inches wide, and Height: 24 inches.


To choose the right bathtub size for your bathroom, you need to think carefully about several things, like how much space you have, your tastes, and your bathroom style. If you take the time to measure your bathroom and think about your needs and wants, you can find a bathtub that suits you perfectly and makes your bathroom look and feel better. Whether you choose a small, independent tub or a large, lavish soaking tub, the right bathtub can turn the bathroom into a relaxing haven that you’ll enjoy for years.

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