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Considering this, what is the standard size of a basketball?
Basketball sizes vary by age, gender, and levelof play. The official size of the basketball used bythe NBA is 29.5 inches in circumference. That's the samesize used throughout men's college and high schoolbasketball leagues. The WNBA uses a slightly smaller ball,measuring 28.5 inches in circumference.
In this regard, what size is a size 7 basketball?
A regulation basketball (Men's InternationalSize 7), used in the professional, college and high schoolgame, and even in middle school, is between 29.5 and 30 inches incircumference and weighs between 20 and 22 ounces.
Junior Size Basketball Junior, or size 5, basketballs measure 27to 28.5 inches and weigh between 14 and 16 ounces. This sizeball is often used by girls and boys, ages 8 to 12, in recreationalleague games.