The Average Master Bathroom Size

Do you want to know how big the average master bathroom is?

Understanding standard bathroom sizes involves knowing typical dimensions: small half-baths around 18–32 square feet, full baths about 36–40 square feet, and larger master baths upwards of 100 square feet. These sizes help plan layouts and fixture placements effectively.

There is no one-size-fits-all solution, but there are some broad standards for defining what defines an average master bathroom size. 

We will guide you through what you need to know in this article...

Standard Size Of Master Bathroom

When it comes to master bathrooms, there is no specific bathroom size layouts or style. A master bathroom average size is normally 8-by-10 feet in size and can be as tiny as 5-by-7 feet. 

Whatever master bathroom styles you select, the following essential aspects should be incorporated in any floor plans: a toilet, sink, walk in shower, vanity, and possibly a bathtub. 

Depending on your master bath floor space demands, these areas can all fit into an 8-by-10-foot area. For larger rooms, consider adding extras like a larger shower, freestanding tub, towel warmers, and other accessories.  All wonderful additions for achieving the ultimate spa experience!

Standard size master bathroom

What Is A Good Size Master Bathroom

A good-sized master bathroom is often 60-100 square feet or larger, while its average bathroom size is around 50-80 square feet.  

This also depends on many factors like what state, city, and even country you live in.  

If you are in a huge city where real estate is expensive, then your bathroom is probably smaller, like 30-50 square feet.  

Luckily a good bathroom remodeling services will help you with space planning, layout, all design aspects, and new construction.

Good size master bathroom

Master Bathroom Toilet Room Size

Master toilet room dimensions often range from 3x5 feet to 6x8 feet, depending on many factors.  

Toilet room size regulations normally include a minimum of 24 inches between fixtures such as vanities or cabinets; a suitable distance from walls and other items; at least 30 inches of walking space between toilets; and adequate clearance around doorways or entry points. 

We specialize in ADA and often remove walls to fit in wheelchairs or other assistive devices in the toilet room..

Providing appropriate space within these restrictions contributes to a more functional, expansive impression while ensuring all safety criteria are followed.

Bathroom toilet size

Luxury Master Bathroom Size

In general, bathroom sizes that are larger than 120 square feet qualifies as large. 

Luxury master bathrooms are often classified by the size of the room and by the materials selected.  You can have a large bathroom withholding functional and outdated materials, and it won’t be considered luxurious.

You could also have a mid-sized master bathroom with nice items, which could be considered a luxury bathroom. 

Luxury master bathroom design

Master Bathroom Bathtub Size

When choosing a master bathtub size, there is no one-size-fits-all solution. While a conventional bathtub typically measures 60 inches long and 30 inches wide, having more room in the bathroom allows for greater comfort and pleasure when soaking away concerns. 

A larger bathtub allows one to choose from various styles, such as built-in or freestanding models, to suit personal preferences and achieve the desired design style. 

There is also the height of the bathtub.  Bathtubs have gotten larger over the years, especially in height.  This helps people support their neck and allows for more of their body to be in the water.

Before making a purchase, it's important to consider these factors and ensure that the bathtub dimensions fits comfortably. 

Homeowners may also want to choose materials that provide durability and performance at a lower cost, such as acrylic, or opt for more expensive options like porcelain enameled steel that provide greater insulation and an attractive appearance.

white master bathtub

Master Bathroom Shower Size

A standard-size master bathroom shower stall is 2.5-3 feet wide and 4-5 feet long.

We get a lot of requests to make a larger shower enclosure to provide more comfort, functionality, and a better appearance.

With more space in your bathroom, you may choose from various shower styles, such as walk-in or full-walled showers. Consider how much storage space you require and the design aesthetic you want to attain when deciding on the finest master bathroom shower for your home. 

While it is the most expensive option, some homeowners are opting to make a huge shower area across their entire 10-12 foot wall.  These are expensive, costing $20k+, but many homeowners absolutely love the finished product.

master bathroom shower size

Master Bathroom Vanity Size

When it comes to master bathroom vanity size, homeowners have several options and should consider a few factors before deciding. 

The most significant consideration is the available space in the room; cabinets come in various sizes, so make sure to measure the bathroom space where you intend to place your vanity cabinet. 

Consider your required storage and whether any more objects must fit beneath or above the countertop. 

Some homeowners are making their vanities longer if they have room.  Another option is storage mirrors since they do a great job of holding all those small bathroom items.

When selecting a master bathroom vanity size for your home, conducting extensive research is critical to ensure optimal usefulness and aesthetics. 

A good design-build contractor will help you determine these factors depending on your needs and their expertise. 

master bathroom vanity

Last Things To Consider

Now that you've decided on the best master bathroom vanity size, it's time to think about the rest of the details in your bathroom. During this planning stage, bathroom accessories such as matching mirrors, towel bars, and any additional shelving should all be considered. 

Similarly, flooring materials are vital for comfort, while tile is frequently favored for its waterproof properties. Lighting fixtures can improve the ambiance of a room, such as wall sconces for a more dramatic effect.

When designing or renovating your master bathroom, size, and space planning are crucial factors to consider. 

At Phoenix Home Remodeling, we understand that a well-designed and comfortable bathroom can make all the difference in your daily routine.

Our team of experts can help you create the perfect master bathroom by carefully planning the layout and incorporating features that meet your specific needs. 

Whether you're looking for extra storage, a larger shower, a more functional vanity, or a beautiful bathtub, we can work with you to make your vision a reality.

Audio Version of this post:

Video of this post:

PDF version:

Do you live in Ahwatukee, Chandler, Gilbert, Mesa, Tempe,  Sun Lakes, Laveen, or South Phoenix?

Ready to talk about your remodeling needs?

Take the next step...

About the author

Hi my name is Jeremy Maher. My wife, 2 kids and I went through Contractor Nightmares for 3 years straight.

Ben, Mark, and I teamed up to start Phoenix Home Remodeling to help homeowners remodel without the common contractor nightmares.

Learn more about Jeremy's expertise and topics he likes to write about on his author page.