What is the standard size of a dishwasher?

• <div><p>A standard <a href="https://www.angi.com/articles/dishwasher-sizes.htm">dishwasher size</a> is 24-by-24-by-35-inch for a built-in unit. The depth and height line up perfectly with most kitchen countertops and cabinet sizes. </p></div>

Are all dishwashers 60cm wide?

• <div><p>Not all dishwashers are 60cm wide, but that tends to be the most common size. 60cm translates into roughly 24 inches, with most home dishwashers being between 22 and 24 inches wide. There aren’t metrics available but it’s been our experience that over 90% of household dishwashers in North America are around 24 inches wide by 24 inches tall.</p></div>

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Verified Reviews for Dishwasher Installation pros in Gaithersburg, MD

*The Angi rating for Dishwasher Installation companies in Gaithersburg, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

*The HomeAdvisor rating for Dishwasher Installation companies in Gaithersburg, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

Last update on June 17, 2026

Reviewed in June 2026
They came the same day and fixed my dishwasher
Sanchez Appliance Repair
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Reviewed in March 2026
Highly recommend Brightstride! They are professional, thorough, and on time. They were able to help us with our dishwasher problem. Rob is phenomenal and would definitely call for help again! 6 out of 5 stars!!
Brightstride Appliance Repair
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Reviewed in December 2025
They were punctual, professional and courteous. The problem with our dishwasher was diagnosed, explained in a way we could understand and most importantly fixed. We are beyond grateful and will definitely refer them to friends and neighbors as well as call them anytime we have household issues...
Mahdy Mehraeen
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Reviewed in January 2025
Very please with Hamed's service. Came out the same day I called. The dishwasher needed a replacement pump that would take 2 to 3 days to come in. The pump cam in the next day and Hamed came back out that same day and fixed the dishwasher. GREAT SERVICE!!!
Hotak Appliance Repair
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Reviewed in March 2022
Francis was very amicable and explained what was wrong with my dishwasher. He offered a very practical solution and came back to change the dishwasher. I was very happy with his work.
Dars Appliance Repair
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Reviewed in January 2022
Prompt install. Considerate cleanup and install. Good crew.
JDL HVAC & Plumbing Services
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Reviewed in September 2021
The installer was very nice. He explained all of the options. Installation went as planned.
HotWaterExpress.com, Inc.
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Reviewed in August 2021
Professional and thorough. I needed a dishwasher removed. Jacob explained the process and advised on how to work safely.
Property Renovators Handyman Services
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Reviewed in March 2020
JB Appliance was a real life-saver for us! We'd ordered a new dishwasher, together with installation from a store but we were unaware that installation would need to be scheduled separately and a number of days later. We called JB and they were able to schedule us quickly, the price was...
JB Appliance Service, LLC
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Reviewed in November 2019
They were able to repair the problem. The dishwasher closes and works properly now.
Silver Spring Appliance Service
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Dishwasher Installation questions, answered by experts

Professional repair is advisable for electrical issues, refrigerant leaks, or unfamiliar problems. Technicians can accurately diagnose and fix such problems, ensuring safety and appliance longevity.

A standard dishwasher size is 24-by-24-by-35-inch for a built-in unit. The depth and height line up perfectly with most kitchen countertops and cabinet sizes.

Not all dishwashers are 60cm wide, but that tends to be the most common size. 60cm translates into roughly 24 inches, with most home dishwashers being between 22 and 24 inches wide. There aren’t metrics available but it’s been our experience that over 90% of household dishwashers in North America are around 24 inches wide by 24 inches tall.

Yes, a dishwasher needs an air gap to prevent backflow. Additionally, in many locations, air gaps or another measure to prevent backflow are required for building code compliance. There are alternatives to an air gap, like a Studor vent or a loop and trap design, but an air gap is the simplest and most popular solution.

Professional services ensure correct installation, verify water-tight seals, and safely address plumbing and electrical connections in dishwashers.

The Gaithersburg, MD homeowners’ guide to dishwasher installation services

From average costs to expert advice, get all the answers you need to get your job done.

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