Soccer Ball Size Guide by Age: Sizes 3, 4 & 5 Explained

Soccer Ball Size Chart by Age

Important distinction: The size 3 and size 4 dimensions above are typical manufacturer sizing figures, not universal measurements imposed by IFAB Law 2. Individual manufacturers and youth organizations may publish slightly different ranges.

Size 3 vs Size 4 vs Size 5 Soccer Balls

The circles above are simplified size illustrations, not a calibrated physical-scale diagram. Always rely on the printed ball size and manufacturer’s measurements when purchasing.

Why U8, U9 and U13 Matter More Than Birthdays

Soccer leagues organize players into age divisions such as U8, U10 and U12. These divisions are based on the competition’s eligibility rules, which may use a specified cutoff date.

That means two children who are both eight years old may play in different divisions—and potentially use different ball sizes.

Moving From U8 to U9

This is the usual change from size 3 to size 4 in the commonly used U.S. youth structure.

If your child is about to change divisions, check which ball the new team requires before buying a replacement.

Moving From U12 to U13

This is the usual transition from size 4 to size 5.

A child preparing to enter U13 may benefit from becoming familiar with a size 5 ball during appropriate practice sessions, but the team’s current match requirements still determine which ball should be used in competition.

What If the League Uses Different Ages?

Some recreational, school, international and adapted programs use different age groupings or ball specifications. A manufacturer’s age chart is useful for shopping, but the competition’s published equipment rules take priority.

What Are Size 1 and Size 2 Soccer Balls For?

Not every soccer ball is intended for conventional youth matches. Smaller balls are also sold for casual play and technical activities.

Size 1: Mini or Skills Ball

Size 1 balls are often marketed as mini or skills balls. Nike, for example, lists size 1 as a skill-training option rather than a standard youth match size.

They can be useful for controlled touches and recreational activities, but they are not a substitute for the regulation size specified by a youth league.

Size 2: Small Recreational or Skills Ball

Size 2 is less commonly specified for organized outdoor competition. Its exact dimensions and intended use vary between manufacturers.

For very young children, a smaller or softer ball may be appropriate for introductory play, provided the activity and equipment are suitable for the child.

Buying advice: Do not purchase a size 1 or size 2 ball for team matches unless the program specifically asks for one.

Does the Ball Size Change Between Practice and Matches?

Usually, players should have access to the same regulation size in training that they use for competition.

For example, a U10 team that plays with size 4 balls will generally want size 4 balls for its regular passing, dribbling and shooting sessions.

Coaches may introduce smaller balls for particular technical activities, but that is a training decision rather than a change in the team’s official match size.

Training Balls

These are generally the practical choice for everyday sessions, backyard use and team inventories. For age-specific purchases, look for the correct size first, then evaluate construction and value.

Our best training soccer balls guide

Match Balls

Match balls may have additional performance specifications or FIFA quality certification. That does not change the age group’s required size.

If you are purchasing for organized competition, our best match soccer balls guide

For a direct explanation of which category is worth paying for, read training soccer balls vs match balls.

Is a Size 4 Futsal Ball the Same as a Size 4 Soccer Ball?

No. A futsal ball and an outdoor soccer ball with the same size number are not automatically equivalent.

Futsal uses its own ball specifications, including a lower-bounce design. A standard outdoor size 4 ball should not be assumed to meet futsal competition requirements.

This distinction matters because an online listing might show “size 4” prominently without making the intended sport immediately obvious.

Before purchasing, confirm whether the ball is made for outdoor soccer or futsal.

For indoor-court equipment, see our best futsal balls guide.

Five Checks Before Ordering a Youth Soccer Ball

1. Confirm the playing division.
   Identify whether the child is registered in U8, U9, U10, U12, U13 or another competition group.
2. Check the league’s required size.
   Use the official team or league guidance instead of relying exclusively on a retailer’s age recommendation.
3. Confirm the intended sport.
   Make sure the product is an outdoor soccer ball rather than a futsal, mini or novelty ball.
4. Choose the appropriate construction and use category.
   For frequent practice, a suitable training ball may be more economical than a premium match ball. For competition, check any specific certification requirements.
5. Check inflation instructions.
   Use the manufacturer’s recommended pressure for the exact ball rather than assuming every size uses the same pressure.

If you are shopping for a team, ordering one consistent model in the correct size can also make equipment management simpler than mixing several unrelated balls.

How to Check a Soccer Ball’s Size at Home

If a ball has an unclear label, or you want to check whether its dimensions are plausible, you can measure its circumference.

1. Inflate the ball according to its printed instructions.
2. Wrap a flexible measuring tape around its widest circumference.
3. Keep the tape snug without pressing deeply into the cover.
4. Compare the measurement with the manufacturer’s published size range.

For general reference, Nike lists size 3 at 23–24 inches, size 4 at 25–26 inches and size 5 at 27–28 inches in its soccer ball sizing chart.

For formal adult competition, IFAB Law 2 specifies a circumference of 68–70 cm and a weight of 410–450 g at the start of the match.

Important: Measuring circumference alone cannot establish that a ball meets all competition requirements. Certification, weight, pressure and other specifications may also apply.

Does Ball Size Affect Inflation Pressure?

Ball size and inflation pressure are different specifications.

A smaller ball does not automatically require a particular percentage less pressure than a larger ball. Use the pressure range printed on the exact product or provided by its manufacturer.

IFAB Law 2 specifies 0.6–1.1 atmosphere at sea level for standard regulation match balls, equivalent to approximately 8.5–15.6 psi. This adult regulation range should not be applied indiscriminately to every youth or recreational product.

For maintaining a ball at its recommended pressure, see our best soccer ball pumps guide.

Soccer Ball Size by Age FAQ