What pressure should padel balls have? The FIP standard, what you feel - and how quickly it disappears

The Right Pressure in a Padel Ball - The FIP Standard

The official international standard for padel balls is set by the FIP (Federación Internacional de Pádel). According to the FIP's official rules, a padel ball must have an internal pressure of approximately 10.1 to 11.4 PSI to be approved for competitive play.

This corresponds to:

It's worth putting this into context: a tennis ball has an internal pressure of approximately 14 PSI, which is higher than a padel ball. This is a deliberate difference. The padel ball's lower pressure provides a slightly softer bounce and a longer contact time on the wall and court – precisely what defines the game of padel and distinguishes it from tennis.

Note the last figure. The bounce test – dropping the ball from 254 cm and measuring – is identical to the requirement for tennis balls. The difference in bounce between padel and tennis is more subtle than one might think. It's the internal pressure and the ball's diameter that make the difference. The padel ball is slightly smaller, and combined with the lower pressure, this gives it the characteristic "slower" feel that padel players know.

How quickly does the pressure disappear?

This is where the padel economy starts to hurt. Padel balls lose pressure faster than tennis balls for two reasons: they start with lower pressure, and they are subjected to constant strong wall-play, where the ball hits even more surfaces per minute than in tennis.

Several Danish padel guides and independent observations report roughly the same rule of thumb: an opened tube of padel balls is typically noticeably softer after about a week – even without use. With play on top of that, it happens much faster. Here's a realistic profile built on the most frequently reported patterns in the Danish padel world:

The figures are Balcour estimates based on commonly reported consumption patterns in Danish padel and the physics applicable to porous rubber cores, not laboratory data. The important insight is not the precise PSI figure per week, but how quickly a padel ball falls out of the FIP range. This happens within 1-2 weeks with normal use.

What do you feel as a player when the pressure is incorrect?

Padel players are surprisingly good at noticing pressure drops - even beginners after a couple of months of play. Here's what changes as the ball loses pressure:

At 10-11 PSI (fresh ball): Clear pop on contact with the racket. The ball bounces precisely off the walls. Smashes have bite. You can place the ball where you want with controlled power.

At 8-9 PSI: Still fine for club play. Smashes are marginally less explosive. Wall play requires a bit more concentration on timing.

At 6-7 PSI: Clearly softer bounce. The ball "dies" off the wall earlier than expected. Long rallies become heavy because you work more with your arm to get the same bite. Most noticeable in bandejas and lobs where the air no longer carries the ball correctly.

Below 6 PSI: The ball is clinically dead. The sound is dull, the bounce is flat, and the game becomes annoying. Most club players change at this point - or should.

How to assess the pressure yourself at home

Padel balls do not have a valve, so you can't just put a pressure gauge on them like on a bicycle tire. But there are two practical methods:

Method 1: Bounce test (free). Drop the ball from a height of 254 cm onto a hard floor. FIP requires a bounce between 135 and 145 cm for an approved ball. Reality check for home use:

• 130-145 cm = fresh pressure, fine for serious play
• 105-130 cm = approx. 70-80 percent pressure, usable for exercise
• 80-105 cm = clearly dull, but still playable for warm-up
• Below 80 cm = dead, discard

Method 2: Sound and listening test. Bouncing a new ball against a hard floor gives a clear, distinct pop. A flat ball gives a dull, short sound without an after-reverberation. With practice, you can hear the difference between 8 PSI and 10 PSI within a few bounces.

The bounce test is the fastest method for most padel players. You don't need any equipment.

How to maintain the pressure in your padel balls

The only effective way to stop passive pressure drop is pressure storage. The principle is to place the ball in an environment with the same pressure outside as inside - so the gas has no direction to diffuse in, and the pressure drop almost completely stops.

The Pressurebox Pro is built on this principle. An internal compressor maintains approximately 10-11 PSI around the balls around the clock - the same pressure as inside a fresh padel ball. The result: a ball you place in the Pressurebox with full pressure remains within the FIP range for much longer than a ball in an opened tube.

Other things that help, but to a lesser extent:

• Keep the tube cap airtight - reduces passive diffusion by approx. 30-50 percent
• Store at 18-22 degrees - heat accelerates diffusion through the rubber core
• Avoid direct sunlight and moisture - UV degrades the felt cover, moisture changes weight and playing feel

But none of them stop the pressure drop. They delay it. The difference between slowing down and stopping is the difference between a ball that lasts a week and a ball that lasts several months.

If you want to delve further into the topic, read how long padel balls actually last or the technical explanation of why balls lose pressure. If you also play tennis, we have the corresponding dive into pressure in tennis balls where the figure is 14 PSI instead of 11.

Pressure and felt wear independently. Read about the role of felt here, and see what the FIP bounce requirement means for a fresh ball or when padel balls are actually finished. If you want to keep your balls at a constant pressure through a Danish winter, the recommendations are in the winter storage guide for padel balls.