Dishwasher Dimensions: Standard Sizes for Width & Depth

Having a dishwasher is the ultimate kitchen aid and makes cleaning a fun experience rather than a chore. The same cannot be said for hiring a maid to clean your kitchenware. One reason may be that you are dissatisfied with the effectiveness with which she washes the utensils.

With dishwashers, you may load filthy dishes at your convenience. Say they’re dirty before leaving for work, and you have clean dishes ready for use when you return home. It’s way better than having someone to do the chores. Manual washing wastes at least 3 to 5 times water, so it’s more uneconomical. The one good thing about it is it is unquestionably helpful in places where water supply is scarce and at a premium. It Saves time and saves money!

Dishwasher seen from the center

When buying a dishwasher, it is necessary to understand the unit’s dimensions to avoid making the wrong choice. Considerations include the type of settings included in fulfilling your family’s needs. The materials used for durability should also be considered. And the knowledge about the benefits of having a dishwasher plays an integral part in deciding which product to buy.

Read on! We gather all of the information you need to make your selection as easy as possible.

Are Dishwashers a Standard Size?

In a way, this is correct!

The standard model’s dimension is approximately 24 inches wide by 35 inches high by 24 inches deep. This means that the physical opening in your cabinets must be 24 inches x 24 inches by 35 inches. They differ slightly due to height adjustments for different flooring, but this variation is not a big deal. Most residential cabinets will fit with the said standard dimensions. Some brands may use drawer space and water distribution more efficiently than others.

On the other hand, today’s commercial models have different sizes. There are full-size, compact, and slimline models. Some slimline models are approximately 82cm (32.28″) high, so be sure to measure your unit from top to bottom. You want to ensure adequate space for your new model. Though commercial brands are made to the same specs, their width and depth might vary. Their height might, too. Before getting one, you should make a wise choice.

No such kitchens are the same. So, you must consider the dimensions. Measuring is one of the essential steps in choosing a new unit. There are three critical dimensions to consider while replacing an outdated one. Keep in mind that not all dishwasher dimensions are the same size, so precise measurements are essential for a good fit.

How to Measure a Dishwasher

  1. Measure the height under the counter, top to bottom.

    First, determine the height under the counter. When measuring the dishwasher’s front dimensions, make sure to measure each corner.

    Secondly, measure from the bottom of the countertop to the floor directly in front of the unit. The thickness of the tip will restrict the clearance available for a new unit. Ensure that if you replace your previous floor, you have enough space to remove the old unit and replace it.

  2. Measure the width between your cabinets.

    To ensure that the unit fits between your cabinets, it should be between 23 1/2 to 24 inches wide. Take the space width between the cabinets from front to back, top to bottom.

  3. Measure

    Measuring the depth of the space to accommodate the new one is the subsequent measurement. Measuring the depth involves removing the anti-tip screws and taking the previous unit out. See if anything obstructs the depth of the space, which might be electrical or piping. 

4 Types of Dishwashers

Before making any further purchases, you should be aware of the various types and models of dishwashers on the market. There are three types:

  • portable
  • traditional countertop
  • under-counter
  • and dish drawer.

They are commonly available in the market and at various home improvement retailers, such as Home Depot.

Let’s take a closer look at them, including some pros and cons. You can decide which one is best for you.

#1. Portable 

The portable types are popular among renters or those who want one but don’t have enough cabinet space. The box is available in 18″ tall and 23″ wide, with spacious interiors that can fit anywhere from 5 to 12 place settings.

It’s well-constructed, with finished sides and butcher-lock lids. It comes with durable roller casters. Water installation is simple since they connect to any existing faucet using a supplied tap adaptor. They utilize two hoses. One is used to gather the water that cycles through your washer, and the other to drain your wastewater.


  • They are popular among users since they do not require a specific location or a complicated water hookup.
  • The roll-around wheels allow you to transport them anyplace you choose or if you change locations. 
  • They can be utilized in practically any place with a functioning spigot. 
  • The flat butcher block cover is strong enough to be used as an auxiliary counter. 
  • When not in use, you may simply stow them away.


  • They don’t have a lot of options and aren’t configurable.
  • They are a little louder than standard models. They have decibel ratings ranging from 55 to 64.
  • The machine must be stored in a dedicated area when not in use.
  • Because they must be coupled to a functional faucet, they restrict water access while in use.

#2. Traditional Under-counters

The most common type is under-counter units. They have unfinished sides and are intended to be fitted under a countertop. The traditional style comes in 24″ on sides and 18″ compact.

Dishwasher seen from the right


  • Dishes are washed more thoroughly than by hand.
  • Very convenient. Loading and unloading are quick and straightforward.
  • It is always ready to use because it is permanently installed.
  • The utensils have been sanitized and are bacteria-free.
  • The process of drying is efficient.
  • It removes odors.


  • It extends around 21 inches outward. If you have a smaller galley kitchen, its size limits your functionality by blocking walkways and other cupboards.
  • You will lose cabinet space because it cannot be removed.

#3. Dishdrawers 

Dishwasher drawers are a recent addition to the appliance industry. They are currently highly trustworthy and efficient, with a wealth of fantastic interior designs and features.

It has 24″ sides with a choice of double or single drawers.

The double-drawer models may be used alone or together, providing maximum functionality. It is designed to fit into any standard dishwasher slot. It also provides you with the option to organize and categorize your dishes.

Single-drawer units allow you to have a drawer without sacrificing entire cabinet space. They are fully functional and can handle larger and longer kitchenwares. Because it is just 18″ tall, you should mount it in higher cabinets so that loading requires no bending.


  • This saves space. You can make the most of the available space in your kitchen.
  • It is available in a variety of styles and installation options.
  • 45 dB rated super quiet and effective
  • It conserves energy.
  • It emphasizes versatility.


  • It’s a little costly.
  • A single drawer tends to overflow.

Both under-counter and dish drawer require a dedicated water line and cabinet space to function. The internal space capacity is sufficient to accommodate 5 to 12 sets.

#4. Countertop/tabletop

Keeping a stack of dirty dishes on your tiny kitchen counter is a never-ending effort. Because you have limited space, it isn’t easy to move about freely when washing dishes manually. It’s great to have the help of countertop models that are both compact and effective.

This compact machine sits next to the sink and is hooked to the faucet. Most can carry up to six place settings and offer the same cleaning possibilities as their full-sized counterparts. It is best suited for use in L-shaped kitchens with limited space.


  • Compact and lightweight
  • Functional and dependable
  • Saves space
  • Ideal in limited kitchen space
  • Affordable


  • Limited capacity

What to Look for When Buying one

The cabinet’s dimension

Dishwasher seen from the left

Dishwashers require a standard cabinet opening of 24 inches wide by 24 inches deep by 34 12 inches to 35 inches high. Some modern units are 25.5″ deep. This style will extend beyond the edges of your cabinet. Keep this in mind before making a purchase.

Interior capacity and rack usability

Think about the number of people in your home. Consider a unit that can accommodate all your dishwashing needs. Depending on the size of your family, choose the suitable model that will satisfy you.

The noise level it makes

The unit is most likely located near a family room or an office. As a result, choosing a unit with a low decibel level is a good choice. That being said, you will guarantee that the noise is not too distracting when operating.

Efficiency and added features

Modern units are loaded with functions and consume less water. The most common are available with fully adjustable racks, which allow you to store tall items on the upper or lower levels. In addition, there are additional racks for cutlery trays. It provides more space for oversized utensils without extra space in the lower level.

What Dishwasher Size is Best For Me?

Dishwashers clean and wash dishes regardless of size and shape. Materials only very rarely drop or otherwise damage them. 

The size of the unit that provides fulfillment to your family is significant. Dimensions are determined by the available space in the kitchen and the cabinet opening. You’ll need to figure out how much you are prepared to spend to get one.

The portable units use the same technology and layout as the standard units, but they are housed in a wheeled frame. You can easily slide it over to the sink and attach it to your faucet. Once that’s done, you’re good to go. It is available in two sizes: Full-sized and 18-inch, and it produces 100% clean dishes on a regular cycle.

If you have a lot of dirty dishes, a full-sized dishwasher that is 25″ wide will serve you well. It may just be needed when cleaning dishes for a family of five. More people means more dishes to clean.

Undercounters give outstanding performance and durability in a compact design, saving your time and money. A broad 17″ door opening allows washing silverware and plates in a single cycle. Don’t want to clean those glasses from your party last night? Get a dishwasher with the necessary capacity.

The redesigned 24″ new generation dish drawer with handle choices is a fantastic invention. You may have an integrated handle or handles on the outside with controls hidden on the inside. It’s a great addition to your kitchen that will blend in with your cabinets.

Suppose you’re searching for something that will fit in your small kitchen. Countertop units are ideal for kitchens that don’t have enough space for dishwashers. This is ideal for tiny houses and families, as well as tenants. If you are skilled at stacking, you can load many more dishes in a single cycle. And it saves energy depending on the wash program you select. A small yet powerful device with a lot of functions!


Do dishwashers come in different widths?

Standard models have the same height and depth, which are 35″ high and 24″ deep. Depending on the type, they come in different widths.

Compact variants are perfect if you have limited kitchen space, as they only measure 18 inches in width. Suppose you have a lot of filthy kitchen dishes. Manufacturers now provide bigger versions ranging from 30 to 42 inches.

How much room do you need for a dishwasher?

Measuring installation involves knowing the unit’s dimensions and the space where it will go. You are now working with a large set of reference dimensions. Most of the time, the gap between the counters is an important consideration.  

The rough opening generally refers to the gap required to fit the item. A decent rule of thumb is to have at least a 27″ rough opening so that you may modify the frame to infill. You may leave the gap. A little excessive on both sides can be good, but it will also take away from the width of kitchen cabinets.

Final Verdict

After a hectic day of work, you will get tired. When you get home, you don’t feel like doing a pile of dirty dishes by hand. The good thing, the best dishwasher of your voice will come to your rescue. There will surely be a perfect type that suits your needs.

A tabletop/countertop model is your best aid when you need to prepare a fast meal in your small apartment dorm. If you have a retro kitchen without a built-in washer, portable might be your partner. You may opt for a larger model if you have a large family. Whichever type you choose, it is always ready to serve you best and meet your cleaning pleasure. At the same time, it saves you time and money.

So, it’s about time to acquire one for your home. You may enjoy the convenience of cleaning dishes without having to think about it.

I hope this post has helped you choose the ideal unit for you and your family to enjoy!

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