What Size Vanity Do You Need For 2 Sinks?

Whether you're designing a new bathroom or remodeling an existing one, the selection of your vanity is an important step. If you are planning on putting in double sinks, you may be unsure of what size vanity you need to accommodate them. No worries, we've done the research necessary to help you decide what size vanity you need for your bathroom.

Typically, the best size for a double vanity is 72 inches wide. This is large enough to comfortably accommodate both sinks while still moderate enough to fit in most bathrooms. Additionally, 72-inch vanities usually provide adequate storage space.

While 72 inches is usually considered the best size vanity for two sinks, other sizes will work as well. Keep reading as we delve into the world of double vanities and consider all of the variables.

Double sink in luxury bathroom in the residence. What Size Vanity Do You Need For 2 Sinks

What Size Vanity Do You Need?

When you're in the market for a double vanity, there are several factors that you should take into consideration. These factors will help narrow down your choice in ruling out options that are not a good fit for you. Let's consider some of these:

Bathroom Space

Carefully measure the area of your bathroom that is designated for your new vanity. Take that measurement with you as you shop for a vanity. Additionally, envision the vanity with the drawers and doors open. Is there room for them to open, or should you look for a vanity with a sliding door and shelves? 

Counter Space

You will also want to evaluate what kind of counter space you will need. Is this a guest bathroom that will receive minimal use, or is it a master bath that is constantly used? Do you need room for multiple accessories at once, such as a hairdryer, straightener, and curling wand? Choosing a smaller vanity with a double sink will reduce counter space, so consider this when looking for your vanity.

Sink Mount

Another thing that you should take into account is what type of sink mount you plan to have. Top mount sinks tend to have wide rims that will take up counter space, while under-mount sinks do not. So if you want to put two sinks into a smaller vanity, under-mount sinks would be more space-efficient. Another option is European-style sinks, like those shown below, which can be installed fairly close together and leave more counter space free.

Modern bathroom with double vanity cabinet

Cost and Availability

When shopping for double vanities, there are standard sizes that are readily available at most home improvement stores. Lowes and Home Depot, for example, carry sizes including 48-, 55-, 60-, and 72-inch vanities. These range in price from $800 to $2,000, and some will need a vanity top purchased separately. A double vanity smaller than 48 inches or a vanity to fit an unusual space would need to be custom-built. As with anything else, custom vanities tend to cost a little bit more.

If you're in the market for a bathroom vanity, check out this article: "Where To Buy a Bathroom Vanity [Top 30 Online Stores]."

What's the smallest size double vanity?

The smallest size double vanity that most retailers carry is 48 inches. However, you can find or have built a 44-inch double vanity, and that is probably as small as it is practical to go. Standard bathroom sinks measure 16 to 20 inches across, so with two sinks and their faucets, that takes up a good bit of countertop. With that being said, 44 inches is the smallest vanity size for two sinks.

Can two sinks share the same drain?

The short answer is yes! You can have two sinks and a single drain, with a few conditions: 

  1. The sink drains should not be further apart than 30 inches on center
  2. Only use one P-trap
  3. Any height variations between sinks should be six inches or less

Is double vanity plumbing a DIY project?

Yes, with enough research and understanding, you can certainly install your double sinks on your own. That being said, plumbing is much more detailed than many homeowners expect, and small mistakes can have significant consequences. Additionally, you should follow some building codes and general rules. Hiring a plumber to install your double sinks may not be a bad idea and could save you a hassle.

What size mirror for a 60-inch double vanity?

When choosing a bathroom mirror, you will typically want to select a mirror that is one to two inches narrower than your vanity. So, for a 60-inch vanity, you would want a mirror that is 56 to 58 inches wide. The height of your mirror will depend on the height of your ceilings as well as any light fixtures that will be mounted above it. As a general rule, you will want to hang your mirror five to 10 inches above the top of your vanity.

Click here to buy this 56-inch lighted mirror on Amazon.

For more helpful tips on choosing a mirror for your double vanity, check out this article: "How Big Should A Bathroom Vanity Mirror Be?"

Can you make a single vanity into a double vanity?

The answer to this really depends on the size of your single vanity. As we discussed earlier, 44 inches is the smallest that your double vanity could be. So, if your single vanity is at least 44 inches wide, you could turn it into a double with some effort. However, you will probably need to replace the entire vanity top to allow for a second sink. You will also have to make sure that the drawers or shelves underneath the vanity will allow for a double sink setup.

Should master bath have two sinks?

Ultimately, whether or not to have two sinks in your master bath is a matter of personal preference. There are many master bathrooms that have two sinks and many that do not. Individual homeowners should evaluate their needs and determine whether a double vanity is important to them and their space.

Click here to buy this gorgeous double vanity on Amazon!

Does a double vanity add value?

Ultimately, any bathroom remodel adds value to the home, as long as it is tasteful and stylish. Double vanities, especially in the master bathroom, do add value to a home in lieu of a single vanity. Ironically, however, more and more homeowners are choosing to put in separate single vanities.  Installing a his and her's vanity is a growing trend and may add even more value than a double vanity.

In Closing

Bathroom vanities are more than just cabinets for sinks and storage; they add style and personality to your bathroom. Choosing the right one for your space is important. If you are looking for more resources to help you choose, you may find one of the following articles helpful:

What Color Bathroom Vanity Goes With Dark Floors?

What is a Bathroom Vanity? [And how to choose yours]

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