what is official size of the basketball used by the nba

The official NBA basketball is size 7 , with a circumference of 29.5 inches. Its typical weight is about 22 ounces , and NBA rules also place the ball in the standard men’s professional size range used across top-level play.

Quick scoop

• Size: 7.
• Circumference: 29.5 inches.
• Weight: about 22 ounces.
• Use: NBA men’s professional games.

Why it matters

A size 7 ball is the standard for men’s professional basketball, so it feels a bit larger than women’s or youth balls. That size is designed for the speed, handling, and shooting style used in the NBA.

Item| NBA official ball
---|---
Size| 7
Circumference| 29.5 inches
Weight| About 22 ounces

TL;DR: The NBA uses a size 7 basketball, 29.5 inches around.