Basketball Rules Guide: Offense, Defense and Kids' Drills

Basketball rules for traveling and offensive fouls can be complex for beginners and kids. Improve your game with middle school tryout drills and understand the physics behind player hang time.

Two street basketball players on the basketball court

Basketball Official Size & Weight

Published Jul,08 2011 | By Carl Putman

Basketball sizes vary depending on the league or governing body for a particular basketball game. Basketballs are measured by circumference, inflation pressure or weight. According to USA basketball, balls should be made of leather or synthetic leather.