What is the standard clearance behind a file cabinet drawer?

File cabinet drawers extend 24–28 in. when fully open. Allow the full drawer extension plus 24 in. of approach clearance = approximately 48–52 in. of clear floor space in front of any file cabinet. For lateral files, the drawer extension is 21–24 in., requiring 45–48 in. front clearance. ADA requires a 30x48 in. clear floor space at accessible file cabinets. OfficeFurniture2go.com plans file storage layouts for all office sizes — call 1-800-460-0858.