A standard washer is 27 inches wide with a height ranging from 34 to 42 inches, and a standard dryer is 27 inches wide and 36 inches high. Some dryers may have a width of 29 inches. Pedestals for front-load washers and dryers alter their height by about 12 inches.
Average dryer capacity varies from 5.8 cubic feet to 7.3 cubic feet, and average washer capacity ranges from 2.5 cubic feet to 3.5 cubic feet. Washer and dryer size varies by brand and product type.
Compact dryers are 24 inches high and 34 inches wide, and compact washers are 21 to 24 inches. The capacity of compact washers and dryers is less than their full size counterparts.