General Dimensions for Spaces Between Things   Page 41

Make adjustments to these measurements if you're smaller or larger than the average person.
Traffic lanes around a room (passage around/behind things)	24-36"
Knee space between sofa and coffee table	9-18"
Height difference between end table and sofa arm (plus or minus)	1-2"
Kneewell depth under a table or desk	21-24"
Knee width under a table or desk	24-30"
Height difference between knee and underside or apron of table	6-7"
Place settings at a table	20-30"
Between chairs at a table	12-18"
Chair pullback space from a table or desk	24-36"
Drawer pullback space from a desk or dresser	24-36"
Width of a doorway	24-36"
Height of a doorway	80-84"
Clearance for arc of opening door, in or out (equals width of door)	30-36"