How to Undent a Ping Pong Ball – Quick & Easy Ideas Will Impress You


Sometimes, during a rowdy match of ping pong, you might hit the ball harder than intended. This can cause a significant dent in the side. Instead of throwing the ball away, why not fix it to save money and help the planet? There are lots of methods to undent a ping pong ball. In this article, we are going to explain the most straightforward and quick ways. You can carry all your ping pong balls with just a few household tools back into the game. These fixes work best with one- or two-star balls. They will most likely work on three-star balls or higher. Do not try to eat away at it. Remember, a crack is not fixable. It will continue to leak air after being fixed.

How to undent a ping pong ball

It is simple to undent a ping pong ball. Hot water and your dented tennis ball are all you need. You will need to heat the water. Otherwise, the dents may not pop out. Place your table tennis ball into the glass. Now press down on the ball to increase the pressure. Keep the ball down for about 10-20 seconds. You should now have your table tennis ball in shape and ready to play.

Learn more: How much does a tennis ball weigh

Thumb Method 

Any step that is the first or last in any process. In-depth ping pong ball resuscitation You can try to undent a ping pong ball with your thumb. This is another option before using it for more complex methods, Last resort. Warm the ball with your thumb or with a hairdryer before trying to make a dent. This can help prevent cracking. Try this: Work around the edges of your dent. You can try to pop it out. It may make your dent larger, but it is worth it if you are looking for a last resort.

The Hair Dryer Trick 

This is a method to inflate a table tennis ball using HeatingHeating and cooling. Allow the ball to return to its original form. Because there isn’t any distinct break in the ball’s surface, HeatingHeating the ball Increases the air pressure. As the air warms, the ball will become more compact. This allows the ball’s full extension to become round again, making it usable again. These are the steps to inflate your ping-pong ball with a hairdryer.

Set your hairdryer to dry. Low blower setting high heat. Keep the hairdryer at 7 inches from the ping-pong ball. Heat it thoroughly. The pressure of the air inside increases as it warms. According to the Ideal Gas LawThe, the pressure pushes outwards as it increases. Undent the divot, your playing ball. To let the hair dry. Naturally, you should turn the hairdryer on and off as needed. Ping pong ball cooling down heat it once more. Continue this process until you have the ball in your hands. Original round shape.

These fixes will not make your table tennis ball perfect. It won’t be perfect. Same crisp pop when it bounces onto the table your paddle should be against you will still be serviceable. You can have several sub-par balls for practice ping pong or training if you use a lot of balls. Lowering costs and increasing sustainability.

Use a lighter 

You can also use the same Ideal Gas Law principles to lighten dented table tennis balls, but this is less reliable. However, you may miss the ballet can cause it to become unusable. You can still re-round your balls with the help of a lighter if you manage it. Movement is the key to this method. If you don’t move, it will not work. Move quickly. You may not be able to fix your balls’ dents, but you can. Deform and scorch them during the process. A lighter (a grill lighter is a great choice) and something to hold the balls so that your fingers don’t get burned is essential.

A lighter or a lit candle can be used. If you are using a lighter, carefully move the flame around the ball. If you’re using candles, wrap the ball in a towel. Pass it over to the love. Do is not let the flame touch the ball’s surface for too long, as it could cause it to melt or deform. Use a cloth to cool it between HeatingHeating. Protective barrier. If you feel the need, Let it cool several times. Heat it once more until it is in the right shape.

Use a round stick 

A round stick is similar to the thumb method, except that you press the rounded edge of a bar along the edges of the ball to pop it out. The pressure you use is unnecessary as too much pressure can cause the dent to worsen and even crack the ball. You can use the round edge of an eraser to make a pen holder or pencil if you don’t have a rounded stick.

Hot water method

Hot water is one way to remove dents from Ping pong balls. This is the easiest way to get marks out of ping pong balls, and it takes just a few minutes. Start by boiling water. It’s not necessary to burn a lot of water, just enough to fill a small container. Once the water has warmed and the cup is complete, you can drop the dented ping pong ball in the water. The ball will float, so there is no need to worry about the ball sinking to the bottom. The heat of the water will heat up the air in the ball as it floats. This will expand the ball and push the sides out. This will cause the Ping pong ball to return to its original shape.

You can push the ball under the water with a spoon if the dents don’t pop out quickly enough. The ball should be submerged for 20 seconds. After that, you can remove it using the spoon. Submerge the ball again until it is fully submerged. The ball will become too hot to touch if you remove it from the water. Hang the ball in a towel or tissue to prevent dents from forming as it cools. The ball will cool down in a matter of minutes. Although the ball will not be as good as a brand new one, it can still be used for practice ping pong by yourself.

If nothing happened 

Although all the above methods can fix a ping-pong ball, they are not always possible to repair. This is especially true for a dent that is too deep. If none of the above methods work, you can try assembling another Ping pong ball by using two broken balls. From one ball, cut a small amount of material. Apply acetone nail polish remover to this cut piece, covering the entire area. Once the cut piece has been placed precisely where you want it to be, polish the room with a small amount of sandpaper. Although it won’t be as good as buying a new ball, this method can help you get one that lasts longer. If this fails, the ball will likely not be repaired and will need to be replaced. You will be able to play Ping pong whenever you want by having a few extra balls at your disposal.

Don’t replace, just repair

It’s no fun To be in the middle of a fast-paced table tennis game and then have it halted mid-play because of a lack of funds. Unencumbered ping pong balls. The table tennis balls are often damaged by hard swings or uneven surfaces. However, if the ball is not crack, it will still serve its purpose. It may be possible. It can be saved. You can use a hairdryer, water pot, or lighter to do this. Quickly repair your table tennis balls Without having to pause.

You shouldn’t leave your tournament unattended. You can fix cracks with a piece of another Ping pong ball or clear nail polish if you notice them. In just four to five steps, you can heat the ball to increase the pressure. You can remove any kind of dent. These are making the ball bounce strangely. Do not expose the balls to these conditions. Too much heat. Let them cool down slowly, and you will be back playing in no time.

How to measure the volume of a dented ping pong ball

How to Undent a Ping Pong Ball


  1. Check that the ping pong ball is not leaking. After confirming that there is no leakage, you can drill a hole in the ball. As long as the spot does not alter the ball’s size, it doesn’t need to be significant.
  2. Through the hole you have drilled, pour water into the ball. You can also place the ball in a cup of water that has been filled with water. Wait until the water has thoroughly soaked the ball.
  3. Use the measuring cylinder to pour the water from your ball into the measuring tube. The ball’s thickness will not be significant, so the water volume in the measuring cup will equal the importance of the ping-pong ball.

Method 2

  1. Take a cup and fill it with water to make the water level flush with the cup.
  2. Place the cup in a large enough container.
  3. Immerse the ping pong ball in the cup.
  4. Fill the measuring cylinder with the overflowing water, and the measured volume is the ball’s volume.

All balls will not undent 

Even the methods that I shared with you can work for most of the balls, but some won’t work even if you use all the above methods. You need to inspect the extent of the dent on the ball. You can’t recover a pattern that is too deep if it isn’t. There are lots of indented areas which you will not be able to fix. You should also check for cracks in the ball. The ball will not return to its original shape if there is a crack in it. Throw the ball away and get a new one.

Read more: How to put a spin on a ping pong ball


You can purchase a variety of accessories to play Ping pong. These include nets, paddles, and even robots that you can use to practice when your partner is unavailable. The ping pong ball is an essential accessory. You can’t play the game without it. However, the downside to this is that they are more susceptible to being damaged the more you use them. It is important to know how to undent a ping pong ball. This will allow your balls to last longer and save you money by not purchasing replacement balls as often.

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