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Glam Monitor

When should you throw away tennis balls?

Author

Mia Smith

Updated on May 24, 2026

There are a couple ways to tell if a tennis ball is too old to be used for your tennis game. Hold an old tennis ball at the same height as a new one and compare how high both of them bounce. If the new one bounces quite a bit higher, the old one should be retired.

When should you throw out a tennis ball?

One other sign to look out for is the felt or fuzz on a ball. Dead balls will be worn down and smooth as they become used. Compared to a new ball with fuzz that can be knocked off it, a dead one is much more bare. Over time, you'll easily be able to tell when tennis balls give in and should be tossed out.

How long do tennis balls stay fresh?

You might be surprised to know that a sealed or unopened can of pressurised tennis balls won't last forever. In fact, an unopened can of tennis balls will usually last around 2 years unopened. That's because the pressure in a can of tennis balls will slowly leak out over time through micro leaks in the packaging.

How often should you replace tennis balls?

If you enjoy playing tennis for fun without any significant competition, your tennis balls will have a longer life span. A pressurized tennis ball can last anywhere between 1-4 weeks of moderate play. A pressureless tennis ball can last 1-3 years of moderate play.

How do you know when a tennis ball is bad?

A new ball dropped from head or shoulder height (regardless of size) will bounce a little more than 1/2 way back up. If the ball bounces less than 1/2 way back up it is dead, or at least going dead.

31 related questions found

How do you make tennis balls last longer?

sensible answers only please. Place three balls in a microwave on high and Nuke them. The balls will bounce higher. That bounce may last 30 minutes or more.

Why are tennis balls kept in the fridge?

As seen above, tennis balls got their bounce from the pressurized air inside the rubber core. It's a well-known fact that temperature has a huge impact on pressure and this, in turn, will affect the amount of bounce. Most times, the tennis balls are kept in the refrigerator to ensure consistency of bounce in the ball.

How long do unopened cans of tennis balls last?

So how long do tennis balls really last? Tennis balls will go bad after about 2 weeks or 3-4 playing sessions. Unopened tennis balls are kept in a pressurized tube to help them retain bounciness and firmness, but even those will expire after two years (due to very tiny leaks).

What can you do with old tennis balls?

10 Clever Uses for Old Tennis Balls

  1. Floor cleaners. Put tennis balls on the end of a broom to clean cobwebs from hard to reach corners or your ceiling. ...
  2. Floor protectors. This is an easy one. ...
  3. Lantern. ...
  4. Comfy chair. ...
  5. Laptop holder or camera mount. ...
  6. Pool cleaner. ...
  7. Laundry. ...
  8. Bug repellent.

What is a dead tennis ball?

A dead tennis ball signifies a ball that is old and has lost its bounce. In other words, it becomes flat and bounces much less than a ball fresh from the can. Depending on its use a new ball can become dull within just one session of constant hitting for a few hours.

Can you reuse tennis balls?

If you put a couple of tennis balls in the pool it will absorb all the oils from swimmers. Have to replace them every couple of weeks and then you can reuse them again! Kids bikes making divots in your yard?- Consider putting a tennis ball on the end of a kickstand.

Why do they vacuum seal tennis balls?

The reason for this is that tennis balls are hollow on the inside and its interior is filled with certain gas, such as nitrogen, which depends on the type of ball or the manufacturer, says e-tennis.org. The pressurization gives the ball its bounce.

Do ping pong balls get old?

They don't tend to wear out but they do break. The plastic will get a crack in it and then be unusable. You will notice the ball will stop bouncing the same way and you may even notice a slightly different sound to the bounce.

Do new tennis balls make a difference?

The difference between old and new ball is that the old ball is softer. This means that it will stay longer on the stringbed upon the contact. This results in more power, spin and control. New balls are harder and springier, therefore you will need to have better technique to control them, for ex.

Does cold weather affect tennis balls?

Tennis balls do not bounce as high in the cold. The bounciness of a ball is subject to the gasses working within it. So when a ball gets cold, the gas molecules begin to contract inside. This makes tennis balls react less when the ball contacts the ground, in other words, less bouncy.

What does Wimbledon do with the old tennis balls?

In all matches used balls will be replaced by new balls at the conclusion of the first seven games and thereafter at the conclusion of every ninth game. Subject to availability, used tennis balls will be sold from the Wimbledon Foundation kiosk near Court 14, with the proceeds donated to the Wimbledon Foundation.

Can you microwave tennis balls?

That means that air loss is actually a part of the design of a tennis ball, so the only way to restore it would be to put more air in it. Microwaving does not do that. So it wouldn't work.

Do tennis balls need to be pressurized?

Match play generally requires pressurized tennis balls; ball machines and lessons are perfect for pressureless varieties. Either type is suitable for all skill levels, though pressureless balls are a bit heavier and require more force.

How long do orange tennis balls last?

The ITF recommend that the the slower stage balls are replaced after every 90-days, compared to the current Tennis Industry recommendation of 30-days for the regular Yellow balls.

Are Tretorn tennis balls any good?

The Tretorn balls, being pressureless, retain their bounce even after long periods of non-use. You can use them in the fall, put them away in the winter, and they are ready to go again in the spring. I have a couple of the orignal balls that I bought back in 1982 and they still look and bounce the same 29 years later!

Why do tennis players reject balls?

It all comes down to hair. The hair on a new tennis ball tends to be smoothed flat, while a ball that's been knocked around a bit will be more fluffy. Tennis players may check three balls or more before serving so that they can select one smooth ball and one fluffy ball. The smooth ball is used for the first serve.

How high should tennis balls bounce?

The ITF requirements are for a bounce between 53 and 58 inches at 69 degrees. Surprisingly, most balls bounced higher after the durability test than before — some more than 1.5% higher. We can speculate that the higher bounce of most of the used balls has to do with the removal of fluff.