Every new basketball you buy has a recommended amount of PSI you should fill the Basketball with air. The recommendation is on the box that comes with the basketball that details the amount of PSI needed. The amount of PSI needed is anywhere from 7 to 9 pounds of air pressure, most Men’s 29.5″ basketballs are usually 8 PSI.
Conventional wisdom is that a basketball needs 8 psi to be properly inflated. A car tire, just for a comparison, needs 40 psi. Most basketballs have inflation instructions printed right on them.
The recommended air pressure for a basketball is 7.5 to 8.5 psi (pounds per square inch). That is also the NBA basketball air pressure recommendation. As you can see, there isn’t a fixed air pressure endorsement by the NBA, but you can use this recommendation as a guide to getting the right air pressure.
An NBA regulation ball is inflated to between 7.5 and 8.5 psi. By regulating a basketball’s air pressure, the NBA can ensure fair playing conditions.
psi is Pounds per Square Inch...so 9 pounds per square inch. For example, basketballs typically read: "Inflate 7 to 9 LBS" which is confusing. They actually mean 7 to 9 PSI, for some reason. So,...
Basketballs are measured in PSI or pounds per square inch. A basketball should be about 8 PSI. For comparisons sake, a football needs between 12.5 and 13.5 pounds PSI, whereas a tennis ball needs a pressure of 14 PSI. A car tire has a pressure of 40 PSI! The higher the air pressure inside a basketball, the higher it will bounce.
Mini Bike Pump & Ball Pump 120 PSI Air Bicycle Frame Pump with Pressure Gauge for Presta & Schrader Valve Bicycles, Soccer Ball, Basketball, Volleyball, Balloons 3.8 out of 5 stars 153 +1 colors/patterns
Make sure this fits by entering your model number. SPECIFIC PRESSURE GAUGE: Provides an easy reference for multiple sports balls. Inflates your devices with quickness and accuracy. Reading in both BAR and PSI scales, range up to 1.4 Bar/20 Psi.