The depth of the back bar is anywhere from 24 to 30 inches and 36 to 42.
Standard bar counter height and depth.
Most standard bar stools are between 24 to 32 inches high to be used with bars in the 41 to 43 inch height range.
For example you might want to match a counter height in a nearby kitchen.
The bottom bar is 30 inches high.
The total height of a bar is 42 to 45 inches and 36 to 39 high to fit a counter stool.
When that height is added to the standard countertop height the backsplash can slip underneath the overhang of the finished bar top for a smooth transition.
The 42 inch height factors in the 29 to 32 inch height of standard bar stools plus a clearance of 10 to 13 inches from the top of the stool seat to the countertop.
The standard height of a finished bar which includes the countertop material and the body of the bar should be 42 inches.
Counter height tables are slightly higher than the standard dining table.
Obviously your bar can be any height.
Counter height tables chairs and stools are great choices for informal dining and best for entertaining guests in the patio.
Most pre made backsplashes are four to six inches tall.
Standard conventions support the 42 inch bar height.
A commercial bar is usually about 42 inches high according to hardwoods incorporated.