A typical wheelchair has a length of 42” (106.7 cm), a height of 36” (91.4 cm), seat heights around 19.5” (49.5 cm), and a width of 25” (63.5 cm).Click to see full answer. In this manner, what is the standard height of a wheelchair? 91.4 cm Additionally, what are the measurements of a standard wheelchair? Standard wheelchairs widths are 16″ (narrow adult), 18″ (average adult) and 20″ (wide adult). For children and small adult sizes as small as 8” are available. Adults with wider body frames can get seats from 28” and wider. Also to know, do wheelchairs come in different heights? Regular wheelchairs don’t vary much in height selection and is usually 19″ to 20″ high. For lightweight and custom wheelchairs, the heights can vary from as low as 14″ up to as high as 21″.What does Hemi Height mean in a wheelchair?Hemi Height Wheelchairs. The lower hemi height, which is generally two to three inches, allows the seated user to easily propel their wheelchair with their feet. Lower height also allows for a better fit for users under 5’2″ tall.