Ten feet; from the floor immediately below, to the top of the goal.
All basketball goals are the same regulation height of 10ft.
The regulation size for basketball nets are all the same at ten feet. The regulation for high school, college, and the NBA/WNBA use nets that are ten feet high.
10 ft
70ft
A NBA regulation backboard is 72" wide x 42" high
Basketball hoops that the NBA use are ten feet high; however, basketball hoops on playgrounds and other places as such are shorter. Basketball ball hoops can also be bought in adjustable sizes.
A regulation basketball goal is 10 feet high at the rim.
The outside measurement of the painted square on a regulation Size Basketball goal is 24"wide by 18" tall
Practicing basketball, no matter what the goal is made of, will likely make you better.There may be little or even negative benefit to playing with a non-regulation goal or ball (for example, a goal that's two feet shorter than regulation, or a ball that's 50% of standard weight, will train you to underestimate the amount of force you need to jump/shoot with to make a goal), but the material the goal is made of is almost entirely irrelevant.
in a high school on a basketball team or in a gym or a home on your basketball goal
If you mean 'how high should a basketball goal be?. It should be 10 feet from the floor to the top of the rim.