# Question: How To Fill Air In Basketball?

## How do you inflate a basketball without a needle?

4 Ways To Pump A Basketball Without A Needle

1. Use your tubeless bike’s valve stem. If you have a tubeless bike and a pump, you may use one of its valves to pump your basketball.
2. Use a can of compressed air.
4. Use a pen ink tube to craft a needle.

## How do you know how much air to put in a basketball?

Hold the ball up to your face and slowly let it drop. If the bottom of the ball bounces up past your waist or slightly higher, then it is fully pumped. If the basketball bounces up close to the chest, it means it has too much air. If it does not bounce up to the waist, it means there is not enough air.

## How do you inflate a basketball with a hand pump?

Cradle the ball in your arm to keep it secure while you insert the needle tip into the basketball hole. Hold the base of the pump with one hand while you pull up on the handle. Push down on the handle to force air into the ball. Repeat pumping until the basketball is inflated.

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## How do you moisten a pump needle?

Attach the needle to the ball. Connect your needle to the pump. Moisten the needle with water and insert it into the hole of the ball.

## Why do basketballs go flat?

When soccer balls and basketballs are left out in the cold they go flat. When the gas in a balloon is cold, the molecules have less energy, move more slowly and don’t collide as hard or as often with the side of the ball. The ball decreases slightly in size and it becomes flat.

## How much PSI is in a NBA basketball?

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.

## How high should a basketball bounce?

According to international basketball rules, a basketball is properly inflated “such that when it is dropped onto the playing surface from a height of about 1.80 m measured from the bottom of the ball, it will rebound to a height, measured to the top of the ball, of not less than about 1.2 m nor more than about 1.4 m”

## How do you tell if a basketball is properly inflated?

How Do I know If My Basketball is Properly Inflated?

3. Let the ball bounce.
4. If the ball is properly inflated, it should bounce back up to around your waist level.

## Will more air inside a basketball make it bounce higher?

With more air in the ball, the air starts at higher pressure and pushes back that much harder when the ball is bounced. So that short answer is that more inflated basketballs bounce better because they have more air pressure inside them. Do this several times, until the ball is completely inflated.