Basketball guide
Youth Basketball Size Chart
Basketball size by youth age group.
Best next step
Check the table, then confirm the brand chart.
Photo: Vincent Dave Agustin / Unsplash
Editorial note
We use these guides as starting ranges, then compare the recommendation against brand charts, fit checks, and sport-specific safety rules before surfacing gear links.
Step 1
Find the likely size range
| Player / measurement | Starting size | Notes |
|---|---|---|
| Ages 5-8 | Size 5 / 27.5 in | Youth starter ball. |
| Ages 9-11 | Size 6 / 28.5 in | Common intermediate youth size. |
| Ages 12+ girls | Size 6 / 28.5 in | Common girls' regulation size. |
| Ages 12+ boys | Size 7 / 29.5 in | Common boys' regulation size. |
Step 2
Measure before you shop
- 1Measure in socks or the base layer your child will actually wear.
- 2Write down age, height, weight, and any league requirement before shopping.
- 3Compare your measurement to the brand chart and choose the more comfortable beginner-safe range when between sizes.
Good reasons
When to size up
- Your child is between sizes and the larger size still feels controlled.
- The season is several months long and the gear is not protective headgear.
- The brand chart says the current measurement is at the top of a range.
Avoid these
Common mistakes
- Buying only for growth and making the gear hard to control.
- Skipping the brand chart because another brand fit last season.
- Ignoring league rules for bats, balls, sticks, and protective equipment.
Parent tip
Because gender is not always how leagues assign ball size, use your league's rulebook as the final answer.
Used gear note
Used gear can save money, but avoid used helmets unless you can verify age, condition, and safety history.
Step 3
Adjust for skill level
Beginner
Comfort, control, and simple sizing.
Intermediate
More precise fit based on position and preference.
Advanced
Performance feel, brand-specific model fit, and rules.
Optional
Recommended starter gear
Use these as comparison starting points, then confirm the exact model against brand charts, league rules, and your child's measurements.
$Spalding / Basketball
Spalding Rookie Gear Youth Basketball
Home practice after checking whether the player needs size 5, 6, or 7.
Why we surface this
Home practice after checking whether the player needs size 5, 6, or 7.
Measure first
League ball size and whether the ball is for indoor or outdoor use.
WhatGearFits may earn a commission when you buy through links on this site, at no extra cost to you.
$$Wilson / Basketball
Wilson NCAA Replica Basketball
Parents comparing size 5, 6, or 7 basketballs for practice and league play.
Why we surface this
Parents comparing size 5, 6, or 7 basketballs for practice and league play.
Measure first
League ball size and whether the ball is for indoor or outdoor use.
WhatGearFits may earn a commission when you buy through links on this site, at no extra cost to you.
FAQ
Is this size guaranteed to fit?
No. Treat it as a good starting point, then check the brand's official size chart before buying.
What should I do when my child is between sizes?
Consider comfort, growth, position, league rules, and whether the gear is protective. Avoid sizing up helmets without a proper chart match.
Related guides
Ready to narrow the size?
Choose a sport, add age and measurements, and get a beginner-safe starting recommendation.