The standard towel hook height is 60 inches. That is a height of five feet. However, when you are hanging your own towel hooks, it is a good idea to take into consideration the height of those who will be using the hooks.
The standard hanging height for your towel rack seems to be 48 inches above the floor. This will leave leave enough space below the bars for towels to hang freely. If, however, you hang the towel bar in a children's bath, place the bar at a height of 36 inches.
48 inches off the floor
The standard height of a push bar is 2.5 to 3 feet. This allows the bar to make contact with most vehicles directly on their bumper.
Balcony Height is in between bar height and standard seating height, approximately 20" to 22" high. Standard height chairs have seats that are usually between 17" and 19" high, and bar stools are normally 24" to 26" high.
Standard bar stools are 30 inches and smaller counter stools are usually 24 inches. They make bar stools in different sizes but those are the standards.
A common placement is about shoulder height of a normal sized person. If you are going to put bath towels rather than hand towels on the bar, then you may need to go a little higher.
34 inches to the center of the bar.
standard height is 36 inches and if there is available wall space you should put it as close to the sink or shower/tub as possible.
Most common height 30".
Standard bar height is 42 inches. Standard counter for a breakfast bar is 36 inches. Typically you want about 12 inches of clearance for your legs. Standard bar stool height is therefore 30 inches and standard counter stool height is 24 inches.
12in 12" from the top of the counter, otherwise 48" from the floor.