A Guide to Standard Mirror Sizes For Different Types of Mirrors

Various mirrors come in standard mirror sizes, just like many other items. Standard mirror sizes vary depending on the type of mirror. Commonly, you’ll encounter 16-inch mirrors, but the sizes extend to larger options, such as three-foot mirrors, which represent the largest standard size.

Adding to the complexity, different types of mirrors adhere to their unique standard sizes. This guide contains comprehensive information on standard mirror sizes commonly used in kitchens, bathrooms, and various areas of the home. It’s a valuable resource if you ever find yourself in need of such information.

Standard Mirror Sizes

Various types of mirrors typically come in specific size ranges. The following are the standard sizes for different mirror types:

  • Wall Mirror: 24 inches by 34 inches
  • Interior Closet Door Mirror: 18 inches by 36 inches
  • Vanity Table Mirror: 28 inches by 14 inches to 33.5 inches by 37.5 inches
  • Dressing Table Mirror: 32 inches high x 16 inches wide
  • Shower Wall Mirror: 12 inches high x 24 inches wide
  • Wall Mounted Bathroom Vanity Mirrors: 30 to 48 inches wide by 24 inches tall

Let’s look at a few of these in more detail.

Standard Wall Mounted Bathroom Mirror Sizes

Standard Wall Mounted Bathroom Mirror Sizes

When selecting a mirror to hang above your vanity, a general guideline is to choose one that is 2 to 4 inches less in width than your vanity. For instance, if your vanity is 24 inches wide, opt for a mirror ranging from 20 to 24 inches in width. 

This not only ensures a visually pleasing appearance but also provides space for framing the mirror, adding an extra touch of style. If your vanity is wider, you have the flexibility to go for a larger mirror. Verify the maximum dimensions of your vanity and select a mirror that fits within those limits.

Shower Wall Mirror Sizes

Shower Wall Mirror Sizes

Shower wall Standard mirror sizes come in a distinctive standard size designed for mounting at a 45-degree angle, occupying less space than flat mirrors mounted vertically or horizontally. 

Typically featuring a convex shape, these mirrors compensate for the absence of backing behind them. Their size is deliberately smaller than that of standard wall mirrors to accommodate the curvature, providing a more precise reflection.

Wall Mirror Size Categories

Mirrors are commonly classified based on their size, which varies depending on their shape. Square and rectangular mirrors are measured along their edges, while round mirrors are gauged by their diameter. Arched and uniquely shaped mirrors are measured at their longest or widest part. Keeping this in consideration, you can initiate your shopping process by considering the size.

The size categories are as follows:

  • Small Mirrors: Under 20 in.
  • Medium Mirrors: 20 in. to 40 in.
  • Large Mirrors: 40 in. to 60 in.
  • Oversized Mirrors: 60+ in.

It’s essential to note a couple of factors. Firstly, size categories might vary among different manufacturers. Secondly, certain mirrors come with hanging gear that allows for both vertical and horizontal placement, while others may not offer both options. This is an important consideration during your shopping experience.

Wall Mirrors for Other Rooms of the House

Wall Mirrors for Other Rooms of the House

Apply the same principles to positioning wall mirrors in various rooms. Whether you’re placing a mirror above a fireplace mantel, sofa, dining room sideboard, or accent table, strive for a mirror size that is 25-50% less wide than the furniture beneath it.

For instance, if your sofa measures 84 inches in length, the mirror positioned above it (in a landscape or horizontal orientation) should range between 42 and 63 inches in length. Similarly, if you’re hanging a mirror above a 24-inch accent table, aim for a width between 12 and 18 inches.

Full-Length Wall Mirror Sizes

Full-Length Wall Mirror Sizes

A full-length wall mirror is crafted to provide a comprehensive head-to-toe reflection, requiring the right dimensions for optimal effectiveness. Typically, the recommended guideline is that the mirror should be at least half the height of an individual to capture the entire reflection accurately. 

For instance, if someone is 64 inches tall, the full-length mirror should be a minimum of 32 inches in height. This ensures a clear and complete view of one’s appearance. Choosing the appropriate size is crucial not only for practicality but also for enhancing the aesthetics of the space, making it an essential consideration in interior design. 

Large Wall Mirror Sizing

Large Wall Mirror Sizing

In any expansive wall space, properly sized oversized mirrors exude chicness effortlessly. These larger mirrors, commonly found adorning empty areas such as entryways, hallways, and numerous dining spaces, set the standard. 

Typically, larger mirrors measure between 40 to 60 inches (102 to 152 centimetres) in height, with a width spanning about 21.25 inches (54 centimetres).

Is There an Ideal Sheet Size for Commercial Mirror Projects?

It is generally advisable to plan mirror projects utilising glass sheets that adhere to industry standards. Standard mirror dimensions include 72×100 and 72×120, while glass manufacturers typically accommodate sizes ranging from very small, like 96×130 or 100×144, depending on your preferences.

Opting for glass sheets that surpass standard sizes poses challenges in finding a suitable glass fabricator. Not all fabricators possess the necessary tools to handle larger mirrors, and those capable of cutting mirrors to size and shape may charge a premium for their services. 

This involves affixing a polypropylene film to the back of a mirror sheet to keep the pane intact in the event of breakage. By ensuring that your commercial mirrors are crafted from standard-sized glass sheets, you can effectively minimize production costs and save valuable time.

Medium Sized Accent Mirror

Medium Sized Accent Mirror

To enhance the ambiance of a space, be it your workspace or an entrance, incorporating a medium-sized contemporary accent mirror effortlessly achieves a chic look. Opt for clean-lined medium mirrors that offer versatility, allowing you to hang them either vertically or horizontally based on your preferred proportions.

Typically, medium mirrors come in sizes ranging from 20 to 40 inches or approximately 51 to 102 centimeters. A particular medium mirror, for instance, boasts dimensions of 30 inches or 76 centimeters in height and a width of 18 inches or 46 centimeters from side to side.

Dimensions for Round Mirrors 

In addition to the standard square and rectangular mirrors, circular shapes offer a way to soften the typical sharp lines found in most designs. The introduction of circular designs can enhance any room and complement various interior decorating themes, ranging from modern minimalism to vibrant maximalist settings. 

These round mirrors come in a variety of sizes and styles, catering to different preferences. Whether you seek a subdued round shape featuring a wooden frame or a more contemporary design with a sleek and slender metal frame, there are options to suit your taste. 

The sizes of round mirrors vary, with some being more compact, featuring a diameter of 18 inches or 46 centimeters. Medium-sized designs come with a diameter of 32 inches or 81 centimeters, while larger, more oversized options are available at 48 inches or 122 centimeters.

What Size Round Mirror for the Bathroom?

What Size Round Mirror for the Bathroom?

The utilisation of circular mirrors in bathrooms or powder rooms is common due to their captivating shape, which imparts a decorative dimension to the area. Typically, any reflective glass shape employed in the bathroom should be slightly shorter, ranging from one to two inches or three to five centimetres, than the length of the vanity or sink cabinet unit.

For instance, if your sink cabinet measures 24 inches or 61 centimetres from side to side, opt for a smaller round mirror with a diameter of 22 to 23 inches or 56 to 58 centimetres. 

Similarly, if your sink cabinet has a width of 36 inches or 91 centimetres, choose a round mirror with a diameter of 34 to 35 inches or 86 to 89 centimetres. Maintain an allowance of one or two inches between the frame and the sink to ensure proportional aesthetics in the overall look.

Dressing Room Mirrors 

Dressing Room Mirrors 

Dressing rooms are typically found in larger homes, but that doesn’t mean you can’t create a designated dressing area in a smaller space by incorporating a full-length mirror or a dressing table with an accessory stand. 

When considering the size of framed mirrors for your dressing room, the most commonly observed dimensions are around 71 inches or 180 centimeters in height and 31 inches or 80 centimeters in width. This size is suitable for individuals of average height, but adjustments can be made for taller users by opting for a taller mirror.

What Size Full Length Mirror Do I Need?

Contrary to popular belief, a full-length mirror need not match your full height. Nevertheless, it can reach up to 6 feet or 72 inches if desired by the homeowner for their space.

The minimum dimensions for a full-length mirror should be half your height, typically at least 3 feet or 36 inches for an individual of average height.

It’s worth considering if you frequently wear heels, as the additional inches in a full-length mirror could prove beneficial in the long run, allowing you to fully capture your height and get a closer view when you choose to “zoom in” on yourself.

What Is a Good Size for Mirrors?

Mirrors come in various sizes, and the most suitable one for your needs hinges on whether it’s intended for grooming purposes or merely as a decorative accent. When opting for the latter, a general guideline is to select a mirror that constitutes 2/3 of the table or furniture’s size it will be suspended above.

For grooming, particularly in spaces like bathrooms or powder rooms, it is optimal to opt for a reflective surface that matches the size or is an inch shorter than the entire length of the vanity countertop.


What is the recommended height for a larger mirror?

The height of a larger mirror typically falls within the range of 102 to 152 centimeters.

In what areas do oversized mirrors look particularly chic?

Oversized mirrors add a touch of chic elegance to broader wall spaces when measured and placed correctly.

What is the width of a typical larger mirror?

A larger mirror typically has a width of around 21.25 inches or 54 centimeters.


In a nutshell, standard mirror sizes range from 40 to 60 inches in height and around 21.25 inches in width. These dimensions are commonly seen in larger mirrors, which effortlessly enhance the aesthetic appeal of various spaces, including entryways, hallways, and dining areas.

So, when considering a mirror for your wall, keep in mind the typical measurements that fall within this range. Whether you’re looking to add a touch of elegance to your entryway or enhance the visual spaciousness of a room, understanding standard mirror sizes ensures that your choice aligns perfectly with both style and functionality.

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