Key takeaway
Padel balls and tennis balls look almost identical, but they are not the same. The biggest difference is internal pressure: a padel ball runs at roughly 10-11 PSI versus around 14 PSI for a tennis ball. That lower pressure gives a padel ball a slower, lower bounce that suits the smaller, glass-walled padel court. Padel balls are also fractionally smaller. You can technically rally with a tennis ball on a padel court, but the game plays far too fast, so for proper padel, always use padel balls.
The short answer
If you only remember one thing: padel balls have less internal pressure than tennis balls. Everything else, the slower pace, the controlled bounce, the longer rallies padel is loved for, flows from that single design choice. Reach for the wrong ball and the whole rhythm of the game falls apart.
Below, we break down every difference that actually matters, whether you can mix the two, and how to pick the right ball for your level.
What is a padel ball?
A padel ball is a pressurised rubber core wrapped in a felt cover, the same basic construction as a tennis ball. The difference is in the details. Padel balls are engineered specifically for a 20m x 10m enclosed court where the ball rebounds off glass walls and a wire fence. To keep rallies playable in that tight space, the ball is designed to travel a little slower and sit a little lower than its tennis cousin.
Padel balls vs tennis balls: the key differences
1. Internal pressure (the big one)
Pressure is what separates the two. A padel ball is typically pressurised to around 10-11 PSI, while a tennis ball sits closer to 14 PSI. Lower pressure means less energy stored inside the ball, so it leaves the strings slower and bounces lower. On a padel court, where walls keep the ball in play and points are won through angles and patience rather than raw power, that slower pace is exactly what you want.
2. Size
A padel ball is marginally smaller. Padel balls measure roughly 6.35-6.77 cm in diameter, while tennis balls run 6.54-6.86 cm. It's a small gap, but combined with the lower pressure it nudges the ball toward more control and a touch less speed.
3. Bounce
Bounce heights are surprisingly close. Dropped from 254 cm, a padel ball bounces to about 135-145 cm, and a tennis ball to roughly 135-147 cm. The on-court feel differs more than the lab numbers suggest, because the lower pressure changes how the ball behaves off the strings and off the glass during live play.
4. Felt and durability
Both use a felt cover, but padel felt is built to cope with constant wall contact and abrasive court surfaces. Like all pressurised balls, padel balls lose their bounce over time as air escapes through the rubber, which is why they're sold in pressurised tubes and why serious players open a fresh tube for matches.
Quick comparison
| Feature | Padel ball | Tennis ball |
| Internal pressure | ~10-11 PSI | ~14 PSI |
| Diameter | 6.35-6.77 cm | 6.54-6.86 cm |
| Bounce (from 254 cm) | ~135-145 cm | ~135-147 cm |
| Pace | Slower, more control | Faster |
| Best for | Enclosed padel court | Open tennis court |
Can you use tennis balls for padel?
Technically yes, but you really shouldn't. Play padel with tennis balls and the extra pressure makes the ball fly. Rallies collapse to a shot or two, the ball rockets off the glass, and the tactical, rally-heavy game padel is built around simply disappears. For a quick knockabout it'll do; for any real game, learning, or competition, use proper padel balls.
The reverse is just as true. A padel ball on a full-size tennis court feels flat and lifeless because it isn't designed to cover that distance at pace.
How long do padel balls last?
Because they're pressurised, padel balls have a limited competitive life. Casual players might get several sessions from a tube, but the balls noticeably soften after a few hours of play as they lose pressure. Competitive and club players typically switch to a fresh tube for matches to guarantee a consistent, lively bounce. Once a ball feels dead or won't reach a proper bounce height, it's time to replace it.
How to choose padel balls
For most players, any quality pressurised padel ball will transform your game compared with using a tennis ball. As you progress, consider:
- Frequency of play: Heavier players and frequent hitters get through balls faster, so buying in multipacks is more economical.
- Court surface: Abrasive surfaces wear felt quicker, so a more durable ball is worth it.
- Altitude and conditions: Some balls are tuned for high-altitude play, where standard pressurised balls bounce higher.
Pair the right ball with a racket suited to your level and you'll feel the difference immediately. If you're still choosing gear, our guides on how to choose a padel racket and the basics in how to play padel are a great place to start. Curious how the whole sport stacks up against the racket game it's often confused with? See padel vs tennis: what's the difference.
FAQ
Are padel balls and tennis balls the same?
No. They look alike but a padel ball has lower internal pressure (around 10-11 PSI versus about 14 PSI for tennis) and is slightly smaller, giving it a slower, more controlled bounce suited to the enclosed padel court.
Can I play padel with tennis balls?
You can, but it's not recommended. Tennis balls are too fast and bouncy for a padel court, so rallies become very short and the game loses its tactical feel. Use padel balls for any proper game.
Why do padel balls have less pressure?
The lower pressure keeps the ball slower and the bounce lower, which is essential on a small, glass-walled court. It's what allows the long, strategic rallies padel is known for.
How often should I replace padel balls?
As soon as they feel soft or dead. Pressurised balls lose bounce over a few hours of play, so club and competitive players usually open a fresh tube for matches.
Are padel balls smaller than tennis balls?
Yes, slightly. Padel balls measure about 6.35-6.77 cm in diameter compared with 6.54-6.86 cm for tennis balls.
Gear up with AIXO
Ready to put this into practice? AIXO padel rackets bring colour-clash style at every level:
- AIXO Sundae – 3K carbon all-rounder with ice-cream looks
- AIXO Pastel De Mint – super-light full carbon for speed and control
- AIXO Insane Bolt – 18K carbon power for players who play loud
Or browse the full AIXO rackets & paddles collection.