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!
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.
For instance, you may see something like “Inflate 7 to 9 psi.” You saw that, right? Don’t bother if you didn’t see it on your ball—not every manufacturer prints it on their basketballs. NBA recommends that the air pressure in a basketball must be between 7.5 and 8.5psi.
More Basketball Pump Psi images
Well, there is a gauge to measure the PSI of a ball, this gauge is mostly mounted on the basketball pump – or you can get it separately from the market. The NBA official basketballs are inflated between 7.5 to 8.5 PSI .
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You can measure air pressure in a basketball by using an air pump with a built-in pressure gauge. 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.
In the United States, we measure this force using psi, or pounds per square inch. Conventional wisdom is that a basketball needs 8 psi to be properly inflated. A car tire, just for a comparison, needs 40 psi.
A regulation NBA basketball must contain between 7 1/2 and 8 1/2 pounds of pressure per square inch, or PSI. The ball also must exhibit an official NBA approval mark.