Built-in dishwashers can be found in three size categories with the standard size being the most common. Keep in mind that larger dishwasher dimensions may not mean that they have more capacity.
Standard built-in dishwasher dimensions: 24 inches wide, 35 inches tall and 24 inches deep
Oversized built-in dishwasher dimensions: 30 to 42 inches wide, 35 inches tall and 24 inches deep
Small space or compact built-in dishwasher dimensions: 18 inches wide, 35 inches tall and 24 inches deep
Learn how to measure the dishwasher cabinet opening in your kitchen with this guide to dishwasher dimensions to find the right size dishwasher you need.