First, you only need to measure the width of the locker- the depth (front to back) of the LockerShelf is 9.5″ and most lockers are 12″ or more.
The height of the Double LockerShelf is 26″ and will fit in all single/double tier lockers.
The height of the Single LockerShelf is 14".
Second, lockers come in standard incremental widths
(9",12", and 15″), so it is easy to determine your locker width by simply
measuring the width of the locker door - typically
the door or the opening of the locker is about 2"-3″ smaller than the
inside dimensions of the locker, so you can use the following guideline
as a reference:
If your door width is:
6-7" - you have 9" locker and you need the 9" LockerShelf
9-10" - you have a 12" locker and you need the 12" LockerShelf
12-13" - you have 15" locker and you need the 15" LockerShelf
Keep in mind that lockers come in standard incremental sizes
(9",12",and 15″) so you don’t need to precisely measure the inside of the
locker!!
However, if you want to measure the inside width of your locker its
easiest to use as standard sheet of 8.5″ x 11″ paper as a reference.