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How Big Should a Laundry Room Sink Be? (Answered)

A house feels incomplete without a laundry room. Doing laundry is easy when you have the right essentials present. Having a laundry sink in your laundry room is mandatory. 

There are varieties of shapes and sizes available, therefore finding the ideal sink shouldn’t be an issue. However, if you are wondering how big a laundry room sink is then just know we have got your back. 

We are here with all the answers about laundry sinks and their dimensions. So, stay with us till the end. 

How big should a laundry room sink be? 

Generally, a sink that has a length of 20 inches, a width of 23 inches, and a depth of 13-15 inches is ideal for a laundry room. Stainless steel sinks are a classic go-to for laundry rooms. These sinks look industrial and are proven useful in every aspect.  

Having a laundry room sink is quite useful for many chores. These sinks should be big enough so that they can be used as needed. However, they must be small enough to fit into the allocated space.

Laundry sinks usually come in rectangular sizes and is much bigger than regular household sinks. 

Apart from the size, the material, and style also has an impact on the dimension of the laundry sink. It’s important to consider the available space and usage plan of the sink. 

Keeping these two factors in your mind will help you figure out the best laundry room sink for yourself. 


Depending on the type of sink you choose the width can vary. However, the size of a laundry room sink starts from 21 inches and can go up to 48 inches. A single basin will, however, measure between 21-34 inches. 

On the other hand, the double basin sinks can go up to have a width of 35-48 inches. 


Considering the depth of the sink is the most vital part of getting a laundry sink. Laundry sinks are usually deeper than 12 inches. Deeper sinks prevent water from splashing. 

The minimum depth of a laundry sink is 15 inches; it can even go up to 23-24 inches. Laundry sinks need to have a good amount of depth, as you will need space to pre-soak items sometimes. 


The average length for a laundry sink is 22-inches. You can choose your sink size to be anywhere between 24-36 inches. 

Is it worth having a sink in the laundry room? 

It is worth having a sink in the laundry room. Having a sink in the laundry room can be proven necessary. There are multiple benefits of having a sink in the laundry room. You can use the sink to pre-soak clothes before washing. 

It’s convenient to water houseplants if you have a laundry sink. You can also use the sink to make the plants sit, so the excess water can drain out. Laundry sinks can also be used to bathe small pets. 

The laundry room sink helps your little poodle to stand erect, so you can bathe them with ease. 

On those rainy days, after getting drenched in rain, you can place those wet clothes in the sink and rinse the mud. 

You can also use the sinks, to rinse mops and buckets after mopping the floor. Using this sink will help you keep your bathrooms clean. So, it’s always worth it to have a laundry sink. 

How do I choose a laundry sink? How are laundry sinks measured? 

To choose the laundry sink, there are multiple factors you need to keep in mind. The measurements depend on these factors and your laundry space. 

Here are a few steps you can follow to choose a laundry sink: 

Choosing the installation style: 

When it comes to the laundry sinks, the first thing to consider is the style. Laundry sinks are available in various shapes. Generally, you will have four different styles to choose from. These are drop-in, wall-mounted, under-mounted, portable, and floor standing. 

As your sink will sit in the same place for years, then you may wanna choose something that will provide your service for years.  

Choosing the ideal material: 

One of the most vital factors while choosing a laundry sink is to consider the material it is made of. Traditionally laundry sinks are made of cast irons and then later coated with enamel. This entire process helps the sink to withstand higher water temperatures. Therefore, if the sinks need maintenance you can just re-glaze them with enamel. 

Another type of laundry sink is made of porcelain. Porcelain sinks have a classic shine to them and they appear to be timeless beauty. 

Choosing the right faucet for the sink: 

The very last thing to do is to choose the ideal faucet for the sink. Some of the most suitable taps are made of brass, copper, chrome, nickel, stainless steel, etc. 

While looking for the ideal faucet be sure to check the valves and spouts. 

The role of the valve may not be noticed at first, but over time it can affect the durability of the faucet. However, if you choose a low-flow faucet, it will help you save water. 

What kind of sink do you put in the laundry room? Can you use a kitchen sink for a laundry sink? 

Cast iron, acrylic, porcelain, etc kind of sink are needed to be put in the laundry room. You can use a kitchen sink in the laundry. 

Here are a few kinds of sinks that can be used in the laundry sink: 


Acrylic sinks are usually lightweight and durable. These sinks are made to last, and they are scratch-resistant. However, if you want to choose acrylic sinks for your laundry room, then know that they are louder when the water hits them.

Also, keep in mind that they are not as heat resistant as other sinks.


Ceramic sinks are sturdy, easy to clean, and have an appealing shine to them. These sinks are manufactured at a high temperature, which creates a non-porous surface. This prevents the sink from getting stained.

Stainless steel:

Stainless steel sinks are easy to clean. These sinks can be a go-to for all the laundry rooms. 

Stainless steel sinks have an industrial look to them which makes them preferable for utility spaces. However, like acrylic sinks, stainless steel sinks act loud when they come in contact with water. 


Porcelain is a typical material for sinks. They have a timeless shine to them that can make them look unfit for utility rooms. However, they are very easy to clean, this is why they are the ultimate match for laundry rooms. 

How to install a sink in a laundry room? 

To install a sink in the laundry room you will need some tools such as a drilling machine, an electric meter saw, etc. 

Here are a few steps you can follow to install a sink in a laundry room: 

Evaluating the layout: 

The placement of your sink depends on both where it can be put and where you plan on putting it. By the general rule, they should be installed close to the work area. 

However, the best place to install the sink is to place it close to your washer as it has the source of both warm and cold water. 

Removing the drywall: 

The next thing you will need to do is, remove the drywall behind your washer-dryer. However, it’s not vital to remove the drywall from the entire wall. 

With the help of a utility knife, you can slice through the drywall tape and separate the full sheets of drywall. Then remove each piece by turning out drywall screws. 

Connecting water supply lines: 

You can cut the washer’s water supply pipes and connect them to the sink. You can simply join the pipes with the laundry sink through the holes under the sink. 

Assembling the sink: 

Before installing, you will need to assemble the sink. If you are getting a standing sink, turn it upside down and attract the legs to the bottom of the sink. 

However, not all sinks will require an extra fixture of legs. Once done, you can level the sink using a laser level. 

Adding the sink faucet: 

The next thing to do is to install the draining trap and attach the faucets. You would want to attach the draining trap under the sink and place the faucet on the stub outs. 

Turn the faucets and check if the water runs through them properly. And you’re all done. 

Final Thoughts 

Laundry sinks tend to have a minimum depth of 15 inches. On average they have a length of 20 inches and a width of 23 inches. However, you can always use a kitchen sink or bathroom sink for your laundry room. Keep in mind that having a laundry sink in your laundry room makes your work effortless.