From standard to small space, this guide can help you measure your cabinet opening, make decisions on interior layout, and ultimately find the right size dishwasher for your family. Here’s what you’ll need to consider: What size dishwasher do I need? How to find the right width How to check depth How to choose the right height Getting the right layout What you'll need: Measuring tape Opening for dishwasher This guide What size dishwasher do I need? Dimensions of dishwashers are determined by the opening size they’re made to fit, rather than the measurements of the dishwasher. A dishwasher labeled as 24 inches wide might actually be more like 23-1/2 inches wide. Standard built-inMost cabinet openings are made to fit astandard dishwasher size. Note that certain handles may affect the overall dishwasher depth. Oversized built-inOversized dishwashers are built wider than the standard opening. Small space or compact built-inDesigned for apartments, space-conscious homes and entertainment spaces, small space dishwashers have a slimmer width than standard dishwashers. Portable, in-sink and countertop portable, in-sink and countertop dishwashers should not require an opening in your cabinetry, but you’ll still need to measure where they’ll go. How to find the right width Standard cabinet opening width vs. small space cabinet opening width Measure from cabinet to cabinet, making sure that the sides of your dishwasher will be completely enclosed once installed. It’s better to leave a little breathing room on each side than to have it be a tight fit. You can install close to a wall or cabinet on one side as long as you leave at least two inches between it and the side of the dishwasher door. Planning Tip: Utility placement can vary by model, so check your installation instructions for the specifics. How to check depth Measure from the back of the opening to the front. Make sure to leave enough room (at least 27 inches) in front