Soccer guide
Soccer Ball Size by Age: U6 to U18 Chart
Soccer ball sizes by age division: size 3 for 6U/8U, size 4 for 10U/12U, and size 5 for 14U and older, with circumference and weight.
Short answer
Best next step
Check the table, then confirm the brand chart.
Step 1
Find the likely size range
Swipe the table left to see every column.
| AYSO division | Ball size | Published specification |
|---|---|---|
| Schoolyard / 6U / 8U | Size 3 | 23-25 in circumference; 10-12 oz in AYSO rules. |
| 10U / 12U | Size 4 | 25-26.5 in circumference; 12-14 oz in AYSO rules. |
| 14U / 16U / 18U | Size 5 | 26.5-28 in circumference; 14-16 oz in AYSO rules. |
Source context: Based on AYSO national division rules: size 3 for Schoolyard/6U/8U, size 4 for 10U/12U, and size 5 for 14U and older. Local competition rules can override.
Soccer ball size is one of the simpler decisions in youth sports gear, but getting it wrong still affects how your child trains. A ball that is too large feels heavy and harder to control for younger players, which can slow skill development in the early years. A ball that is too small might feel manageable at home but will not match what your child uses at practice and games.
For team players, the most important rule is to practice with the same ball size the league uses for games. If your child's league uses a size 4 for their age group, training at home with a size 3 creates a mismatch in dribbling feel and shooting weight. When in doubt, ask the coach what ball size they use at practice and match that for home training.
Editorial note
We use these guides to narrow the starting range. Before you buy, compare that range with the exact brand chart, hands-on fit checks, and current sport rules. Read more about how our sizing works.
Spot a range that looks off, or a league rule we should mention? Tell us — corrections make these guides better for every parent.
Step 2
Confirm the player's age division
- 1. Find the age division on the player's current registration or team roster; do not infer it from height.
- 2. Check the league's published equipment rule and use the AYSO table only when that rule applies to the program.
- 3. Verify the size printed on the ball and match home-practice equipment to the size used by the team.
Step 3
Validate the fit before you shop
Good reasons
When to move to the next ball size
- The player officially moves from 8U to a division that specifies size 4.
- The player officially moves from 12U to a division that specifies size 5.
- The local league publishes a different transition and the coach confirms that game ball.
Avoid these
Common mistakes
- Moving up early because a larger ball seems more durable or advanced.
- Using height or skill level when the competition rule is set by age division.
- Practicing with a different ball size from the one used in team training and games.
Parent tip
For team play, buy the size your league uses even if another size feels easier at home.
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When the checks agree
Choose a model, then confirm the size
Use the range above as a starting point, then recheck the exact product's brand chart before ordering.
Compare ball picksFAQ
What size soccer ball for an 8-year-old?
Most 8-year-olds play U8 or U9, which usually means a size 3 or size 4 ball depending on the league. Check your league's rules first — if your child is moving to U9 or U10 this year, size 4 is the common game ball.
What age uses a size 2 soccer ball?
Size 2 is a skills ball, not a league game size. It is used for touch and juggling practice at any age, and sometimes for toddlers. For organized play, leagues almost always start at size 3.
When do kids move up to a size 5 soccer ball?
In AYSO, the move happens at 14U. Other leagues may use U13 or a different local cutoff, so check the team's equipment rule before buying.
What size soccer ball do U6, U8, U10, and U12 use?
AYSO uses size 3 for 6U and 8U, then size 4 for 10U and 12U. That is a strong starting point for shopping, but the local league rule controls.
Provenance
Sources used for this sizing guide
The table maps AYSO's published youth divisions to parent-friendly age labels without presenting the labels as universal rules.
American Youth Soccer Organization (AYSO)
Governing bodySupports: Ball size by age; Ball circumference and weight
Reviewed August 2026
Know your child's starting size before you shop.
Pick the sport and gear, then add the measurements that matter. You'll get a practical starting range, fit checks, and what to avoid.