The Complete Guide To Basketball Sizes (Fully Explained)

The Complete Guide To Basketball Sizes (Fully Explained)

Have you ever thought about the different basketball sizes and what each one is for? This article should be an eye-opener!

Few other sports utilize balls that come in such a wide range of sizes. Although you can use any sized basketball and have an enjoyable time on the court, choosing the right one will have a huge impact on your development and playing performance. 

The Complete Guide To Basketball Sizes. This guide covers the different sizes of basketball available and the many options available from the top basketball manufacturers. We also discuss how size can impact your performance and why choosing the right size is so crucial. 

Read on to learn more about basketball sizes and what you need to know to make the right choice!

A Rundown of the Standard Basketball Sizes 

Basketball Size Guide

“Micro-mini”, “youth sized”, “intermediate”, “official size”‒what do they all mean? 

Basketballs come in sizes ranging from 1 to 7, each with its own descriptive name. The smaller the size is, the smaller the ball’s circumference. 

Smaller balls are usually intended for younger players, while mid-sized balls are designed for amateur leagues. Larger balls are usually intended for college and professional basketball.

Of course, these rules are somewhat flexible, and you are free to use the size of ball you want. However, using the right sized ball for specific applications will help ensure a more enjoyable and rewarding playing experience and enable you to develop your skills much faster. 

Related : Youth Basketball Training Equipment List

Here’s a rundown of the most commonly available basketball sizes, who they are suited for, and how they affect your playing performance: 

Size 1
Also known as “Micro-Mini”
Weight8 ounces 
Circumference16”
Recommended for Boys and girls aged 2 to 4
NoteThis is the first real basketball you can buy if you want to get your kids into the sport at an early age. 
Size 3
Also known as“Mini”
Weight10 ounces
Circumference22”
Recommended forkids between the ages of 4 and 8
NoteInterestingly, there is no size 2 basketball, so next up is the size 3.
Size 4
Also known as “Junior Ball”
Weight14 ounces 
Circumference25.5”
Recommended forBoys and girls aged 5 to 8
NoteThe size 4 or “junior ball”, is only slightly bigger than the mini. Although recommended for boys and girls aged 5 to 8, it isn’t as widely available as the mini.
Size 5
Also known as“Youth Size”
Weight15 ounces
Circumference27.5”
Recommended forplayers between the ages of nine and 11
NotePerfect for young players that are just beginning to learn how to dribble. Considered the standard for youth basketball leagues.
Size 6
Also known as“Intermediate Size”
Weight20 ounces 
Circumference28.5” 
Recommended forboys between the ages of 12 and 14. girls 12 years and older
NoteCommonly used in women’s high school and college leagues, as well as the WNBA and other youth basketball programs. 
Size 7
Also known as“Official Size”
Weight22 ounces
Circumference29.5”
Recommended forboys aged 15 years and older
NoteThe biggest basketball commonly available. Used in high school and college basketball, and even in the NBA.

Why It’s Important to Get the Right-Sized Basketball 

Basketball size is an important factor, especially for young and inexperienced players. Because of their smaller hands, they may have difficulty handling the larger and heavier balls intended for older players. 

Ball control is crucial for developing basketball fundamentals as well as more advanced playing techniques. Playing with an inappropriately-sized ball could force players to adopt incorrect or inefficient habits that may take a long time to unlearn. 

Even older and more experienced players will benefit from using a ball size ideally suited to their age and experience level. The will be able to handle the ball more easily and perfect their shooting form and maneuvering. 

Check: What Is An Alley Oop In Basketball?

What is the Appropriate Basketball Size for NBA and College Basketball?

What is the Appropriate Basketball Size for NBA and College Basketball?

The official size used by the NBA is size 7, which is 29.5” in circumference. This is the same size of basketball used by men’s college and high school leagues. The ball used by the WNBA is slightly smaller, with a circumference of 28.5”.

International leagues such as the FIBA use a different sized basketball. They are slightly larger, with a circumference of 30.7” for men and 29” for women. These balls can be distinguished by their two-tone color schemes. 

What is the Right Size of Basketball for Youth Basketball?

The Complete Guide To Basketball Sizes (Fully Explained)

The recommended size for boys aged 12 to 14 is 28.5” or size 6. This is also recommended for women and girls aged 12 and up. 

For players between nine and 11 years old, a 27.5” ball is recommended regardless of gender. This is the most commonly used ball in youth leagues.

The appropriate size of ball for boys and girls aged between four and eight are between 22” and 24.5”. But coaches and trainers will also consider factors such as the player’s hand size, which is measured from the bottom of the palm to the tip of the middle finger.

Choosing Basketball Sizes by Brand 

Most of the top sports equipment manufacturers offer basketballs in a few different sizes. The best basketball brands are widely considered to be: Wilson, Spalding, and Baden. 

Check out the tables below to see the different sizes that each brand offers:

Wilson

Size7
Circumference29.5”
Weight22 oz.
Recommend for:Men’s professional basketball associations, men’s college, high school, and travel leagues.
ModelPrice
NCAA Elevate VTX Basketball$26.95
NBA Rotation Tracker Basketball$79.95
NBA Official Game Basketball$199.95
NBA Authentic Outdoor Basketball$26.95
2023 NBA Chinese New Year Basketball$79.95
NBA Team City Edition Collectors Basketball$74.95
NCAA Evo NXT Official Game Basketball$99.95
Limited-Edition Wilson X Trae Young NBA Basketball$99.95
Evolution Game Basketball$79.95
NBA Team Tiedye Basketball$21.95
2022 NBA Finals Championship Basketball – Golden State Warriors$159.95
WNBA Limited Edition Size 7 Basketball$99.95
NBA 75th Platinum Edition Basketball$44.95
NBA DRV Basketball$15.99
NBA Authentic Indoor Competition Basketball$64.95
NBA All Team Red, White & Blue Basketball$25.99
NBA All Matte Black Basketball$39.99
NCAA MVP Basketball$16.95
NCAA Limited Basketball$45.95
NCAA Legend VTX Basketball$45.95
NBA All-Star Game Basketball$249.95
NBA All-Star Money Basketball$159.95
Jr. NBA Family Authentic Indoor Game Basketball$64.95
Jr. NBA Family Indoor/Outdoor Basketball$45.95
Alliance Series Commemorative NBA Autograph Platinum Edition$45.95
NBA Authentic Indoor Outdoor Basketball$45.95
NBA Authentic Heritage Basketball$44.95
NBA Forge Plus Eco Indoor/Outdoor Basketball$40.95
NCAA Replica Splatter Basketball$40.95
NCAA Replica Basketball$40.95
NCAA Replica Basketball$40.95
Alliance Series Commemorative NBA Team Autograph Basketball$40.95
Wilson NBA Forge Pro Printed$50.95
NBA Forge Pro Basketball$50.95
NBA Forge Pro Ice Basketball$50.95
NCAA Legend OT Basketball$35.95
NCAA Autograph Basketball$40.95
NBA Forge Plus Heritage Basketball$31.95
NBA 75th Indoor Outdoor Basketball$44.95
NBA Forge Plus Basketball$40.95
Luminous Performance Basketball$29.99
NBA Player Icon Outdoor Basketball – Lamelo$26.95
NBA Player Icon Outdoor Basketball – Trae$26.95
NBA Team Autograph Mini Basketball$26.95
NBA DRV Pro Basketball$25.99
NCAA Jet Pro Basketball$24.99
NBA All-Star Replica Basketball$49.95
NBA All-Star Collector Basketball$49.95
Wilson Gift Of Game Basketball$49.95
NBA Forge Basketball$32.95
NBA All-Star Autograph Basketball$44.95
NCAA Elevate OT Basketball$21.95
NBA Player Icon Outdoor Basketball – Curry$26.95
NBA Player Icon Outdoor Basketball – LeBron$26.95
NBA Player Icon Outdoor Basketball – Durant$26.95
NBA Player Icon Outdoor Basketball – Luka$26.95
NBA Player Icon Outdoor Basketball – Zion$26.95
NBA Player Icon Outdoor Basketball – Giannis$26.95
Limited Edition OVO® / Wilson Basketball With Premium Trophy Packaging$168.00
Evo NXT Basketball Africa League$99.95
Chris Brickley Dribble Training Ball$49.99
Chris Brickley Weighted Training Ball$49.99
NCAA Evo NXT Replica Basketball$40.95
Jr. NBA Authentic Outdoor Basketball$26.95
NBA DRV Pro Eco Basketball$26.95
NBA DRV Pro Heritage Basketball$25.95
NBA Team City Edition Basketball$25.95
NCAA Legend Basketball$32.95
Jr. NBA DRV Plus Basketball$16.95
NBA 75th Outdoor Basketball$25.95
NCAA Elevate Basketball$16.95
Size6
Circumference28.5” 
Weight20 oz.
Recommend for:Players with smaller hands, women’s professional basketball associations (WNBA and International Basketball Federation (FIBA)), women’s college and high school basketball leagues, youth leagues for players 12 and up. 
ModelPrice
WNBA Official Game Basketball$99.95
NCAA Evo NXT Official Game Basketball$99.95
Evolution Game Basketball$79.95
NBA Authentic Indoor Competition Basketball$64.95
Jr. NBA Family Authentic Indoor Game Basketball$64.95
NCAA Legend VTX Basketball$45.95
NBA All Matte Black Basketball$39.99
NBA Authentic Outdoor Basketball$26.95
NBA All Team Red, White & Blue Basketball$25.99
NCAA Elevate VTX Basketball$26.95
WNBA Tribute Basketball$16.95
NBA DRV Basketball$15.99
NCAA Killer Crossover Basketball$16.95
NCAA MVP Basketball$16.95
Ari Chambers X Wilson Collaboration Basketball$96.19
WNBA Weighted 3lb Basketball$79.95
WNBA Rotation Tracker Basketball$79.95
NCAA Limited Basketball$45.95
Jr. NBA Family Indoor/Outdoor Basketball$45.95
WNBA Authentic Indoor/Outdoor Basketball$45.95
WNBA Gold Edition Basketball$45.95
NBA Authentic Indoor Outdoor Basketball$45.95
NBA Forge Plus Eco Indoor/Outdoor Basketball$40.95
NCAA Replica Basketball$40.95
WNBA Heir Indoor/Outdoor Basketball$40.95
WNBA Autograph Basketball$45.95
Wilson NBA Forge Pro Printed$50.95
NBA Forge Pro Basketball$50.95
NCAA Legend OT Basketball$35.95
NBA Forge Plus Basketball$40.95
WNBA Heir Geo Outoor Basketball$26.95
WNBA Authentic Outdoor Basketball$25.99
NBA DRV Pro Basketball$25.99
NCAA Jet Pro Basketball$24.99
NBA Forge Basketball$32.95
NCAA Elevate OT Basketball$21.95
2022 WNBA FINALS CHAMPIONSHIP BASKETBALL – LAS VEGAS ACES$159.95
WNBA ALL-STAR 2022 FULL FIRE BASKETBALL$119.95
Chris Brickley Dribble Training Ball$49.99
Chris Brickley Weighted Training Ball$49.99
NCAA Evo NXT Replica Basketball$40.95
NCAA Women’s Final Four Official Rubber Basketball$29.99
Jr. NBA Authentic Outdoor Basketball$26.95
NBA DRV Pro Eco Basketball$26.95
WNBA All Team Basketball$26.95
WNBA Heir Outdoor Basketball$26.95
WNBA Rebel Basketball$25.95
WNBA DRV Heritage Basketball$25.95
NCAA Legend Basketball$32.95
WNBA DRV Outdoor Basketball$16.95
Jr. NBA DRV Plus Basketball$16.95
Jr. NBA DRV Family Black/White Outdoor Basketball$16.95
NCAA Elevate Basketball$16.95
Size
Circumference 27.5” – 27.75” 
Weight 14 – 16 oz, 
Recommend forPlayers 8 and under, youth leagues. 
ModelPrice
Evolution Game Basketball$79.95
NBA Authentic Indoor Competition Basketball$64.95
Jr. NBA Family Authentic Indoor Game Basketball$64.95
NCAA Legend VTX Basketball$45.95
NBA Authentic Outdoor Basketball$26.95
NCAA Elevate VTX Basketball$26.95
NBA DRV Basketball$15.99
NCAA Killer Crossover Basketball$16.95
NCAA MVP Basketball$16.95
NCAA Limited Basketball$45.95
Jr. NBA Family Indoor/Outdoor Basketball$45.95
WNBA Authentic Indoor/Outdoor Basketball$45.95
NBA Authentic Indoor Outdoor Basketball$45.95
Wilson NBA Forge Pro Printed$50.95
NBA Forge Pro Basketball$50.95
NCAA Legend OT Basketball$35.95
NBA Forge Plus Basketball$40.95
WNBA Authentic Outdoor Basketball$25.99
NBA DRV Pro Basketball$25.99
NCAA Jet Pro Basketball$24.99
NBA Forge Basketball$32.95
NCAA Elevate OT Basketball$21.95
Jr. NBA Authentic Outdoor Basketball$26.95
NBA DRV Pro Eco Basketball$26.95
NCAA Legend Basketball$32.95
Jr. NBA DRV Light Basketball$16.95
Jr. NBA DRV Plus Basketball$16.95
Jr. NBA DRV Family Black/White Outdoor Basketball$16.95
NCAA Elevate Basketball$16.95
Size4  
Circumference25.5” 
Weight 14 oz, 
Recommend forChildren 6 and under 
ModelPrice
NBA DRV Basketball$15.99
NCAA MVP Basketball$16.95
Jr. NBA DRV Plus Basketball$16.95
Jr. NBA DRV Family Black/White Outdoor Basketball$16.95
Size3  
Circumference22.5” 
Weight 10 oz, 
Recommend forKids 4 and under, commemorative items
ModelPrice
NBA Team Retro Mini Basketball$12.95
NBA DRV Mini Basketball$12.95
NBA Autograph Mini Basketball$40.95
WNBA Autograph Mini Basketball$26.95
WNBA Mini Autograph Basketball$26.95
Wilson Mini Autograph Basketball$26.95
NBA Team Autograph Mini Basketball$26.95
NCAA Mini Autograph Basketball$26.95
NBA Player Icon Mini Basketball – Trae$16.95
NBA Player Icon Mini Basketball – Lamelo$16.95
NCAA Men’s Final Four Mini Rubber Basketball$19.99
NCAA Women’s Final Four Mini Rubber Basketball$19.99
NBA 75th Outdoor Basketball$25.95
NBA Player Icon Mini Basketball – Zion$16.95
NBA Player Icon Mini Basketball – Curry$16.95
NBA Player Icon Mini Basketball – Giannis$16.95
NBA Player Icon Mini Basketball – Luka$16.95
NBA Player Icon Mini Basketball – Durant$16.95
NBA Player Icon Mini Basketball – LeBron$16.95
NBA All-Star Mini Basketball$24.95

Spalding

Size33″
ModelPrice 
TF Trainer Oversized Indoor Basketball 33″$64.99
Size29.5″
ModelPrice 
Excel TF-500 Indoor-Outdoor Basketball $39.99
Legacy TF-1000 Indoor Game Basketball $84.99
TF Trainer Weighted Indoor Basketball $54.99 – $59.99
React TF-250 Indoor-Outdoor Basketball $29.99
Stranger Things Top-Flite 100 Indoor Game Basketball $149.99
SGT Neverflat Hexagrip Indoor-Outdoor Basketball – 29.5″ $29.99
Zi/O Excel TF Indoor-Outdoor Basketball $39.99
Street Outdoor Basketball $19.99
Precision TF-1000 Indoor Game Basketball $69.99
Marble Series Black Multi-Color Outdoor Basketball $24.99
Botanics Indoor Outdoor Basketball $39.99 $29.99
Instinct TF Indoor-Outdoor Basketball – 29.5″ $34.99
Stranger Things ‘Fireball’ $39.99
Stranger Things ‘Greetings’ $39.99
SGT NeverFlat Hexagrip Indoor-Outdoor Basketball $29.99
Marble Series Multi-Color Outdoor Basketball $24.99
Street Phantom Outdoor Basketball $24.99
Legacy TF-1000 NJCAA Indoor Game Basketball $84.99
Legacy TF-1000 ACC Indoor Game Basketball $84.99
NeverFlat Pro Indoor-Outdoor Basketball $39.99
Zi/O TF Indoor-Outdoor Basketball $39.99
Stranger Things ‘Hawkins’ $39.99
UNKNWN Limited Edition Basketball $49.99 $37.49
Varsity Multi Color Outdoor Basketball $19.99
Varsity TF-150 Indoor-Outdoor Basketball $19.99
All Conference Indoor-Outdoor Basketball $29.99
Varsity Outdoor Basketball $19.99
NeverFlat Elite Indoor-Outdoor Basketball $44.99
Neverflat Premier Series Indoor-Outdoor Basketball $44.99
Tack-Soft TF Indoor-Outdoor Basketball $34.99
Legacy TF-1000 NAIA Indoor Game Basketball $84.99
NeverFlat Max Indoor-Outdoor Basketball $34.99
Precision TF-1000 AAU Indoor Game Basketball $69.99
TF Model M Official Leather Indoor Game Basketball $149.99
Size28.5″
ModelPrice
Excel TF-500 Indoor-Outdoor Basketball $39.99
Legacy TF-1000 Indoor Game Basketball $84.99
TF Trainer Weighted Indoor Basketball $54.99 – $59.99
React TF-250 Indoor-Outdoor Basketball $29.99
Zi/O Excel TF Indoor-Outdoor Basketball $39.99
Street Outdoor Basketball $19.99
Marble Series Black Multi-Color Outdoor Basketball $24.99
Precision TF-1000 Indoor Game Basketball $69.99
Stranger Things ‘Greetings’ $39.99
SGT NeverFlat Hexagrip Indoor-Outdoor Basketball $29.99
Marble Series Multi-Color Outdoor Basketball $24.99
Legacy TF-1000 NJCAA Indoor Game Basketball $84.99
NeverFlat Pro Indoor-Outdoor Basketball $39.99
Zi/O TF Indoor-Outdoor Basketball $39.99
Legacy TF-1000 ACC Indoor Game Basketball $84.99
Street Pink Outdoor  Basketball – 28.5″ $19.99
Stranger Things ‘Hawkins’ $39.99
Varsity Multi Color Outdoor Basketball $19.99
Varsity TF-150 Indoor-Outdoor Basketball $19.99
All Conference Indoor-Outdoor Basketball $29.99
Varsity Outdoor Basketball $19.99
NeverFlat Elite Indoor-Outdoor Basketball $44.99
Neverflat Premier Series Indoor-Outdoor Basketball $44.99
Tack-Soft TF Indoor-Outdoor Basketball $34.99
Legacy TF-1000 NAIA Indoor Game Basketball $84.99
NeverFlat Max Indoor-Outdoor Basketball $34.99
Precision TF-1000 AAU Indoor Game Basketball $69.99
TF Model M Official Leather Indoor Game Basketball $149.99
Size27.5″
ModelPrice 
Excel TF-500 Indoor-Outdoor Basketball $39.99
React TF-250 Indoor-Outdoor Basketball $29.99
Street Outdoor Basketball $19.99
Rookie Gear Soft Grip Youth Indoor/Outdoor Basketball $19.99
Varsity TF-150 Indoor-Outdoor Basketball $19.99
Rookie Gear Youth Indoor-Outdoor Basketball $29.99
All Conference Indoor-Outdoor Basketball $29.99
Varsity Outdoor Basketball $19.99
Size22″
ModelPrice
Layup Mini Rubber Outdoor Basketball$16.99

Baden

SizeOfficial 29.5″
ModelPrice
Elite Game Basketballfrom $74.99
Rival Game Basketballfrom $59.99
LTD – RedTro EditionTo be announced 
Contender Basketball$39.99
Crossover Basketball$29.99
Harlem Globetrotters Replica BasketballTo be announced
Skilcoach Heavy Trainer Basketball$44.99
Skilcoach Heavy Trainer Basketball$39.99
Harlem Globetrotters Rubber Basketball$19.99
Legend Basketball$19.99
Autograph Basketball$49.99
Spin and Shoot$34.99
SizeIntermediate 28.5″
ModelPrice
Elite Game Basketballfrom $74.99
Rival Game Basketballfrom $59.99
Contender Basketball$39.99
Crossover Basketball$29.99
Skilcoach Heavy Trainer Basketball$39.99
Skilcoach Shooter’s Training Basketball$19.99
Legend Basketball$19.99
Rubber Basketball$14.99
SizeYouth 27.5″
ModelPrice
Contender Basketball$39.99
Crossover Basketball$29.99
Rubber Basketball$14.99

What Size Basketball do I Need?

It is crucial to choose the right sized basketball to avoid injury and ensure a rewarding playing experience. Here’s a basic guide that will help you figure out the appropriate basketball size to buy based on your age and gender: 

Age and GenderBasketball Size
Ages 9 to 11Size 5, youth sized, 27.5″ circumference. 
Women and girls ages 12 and upBoys ages 12 to 14Size 6, women’s official size or boy’s intermediate size, 28.5” circumference
Men age 15 and upSize 7, men’s official size, 29.5” circumference

Keep in mind that this is only a basic guide. Your choice will also depend on factors such as your hand size, skill level, and other variables. However, this should give you a good start to determining the best size of basketball for your needs. 

Experts recommend that players aged nine to 11 use a youth basketball size with a circumference of 27.5″. This is usually the most appropriate size considering their size, strength, and physical ability. 

Women and girls aged 12 and up are advised to use a ball with a circumference of 28.5”. This is also the recommended size for boys aged 12 to 14.

Men age 15 and up can move up to an official sized ball with a circumference of 29.5”. From that age, most players possess the necessary size, skill, and strength to manage these sizes effectively.

Which brands make the best basketballs?

Wilson, Spalding, and Baden currently make the best basketballs available. Each of these manufacturers offers several different types and sizes of balls, with a variety of designs and surfaces. 

There have been many other manufacturers that have produced excellent quality basketballs over the years, including SportimeMax, Chance, and Dunnrite. But Wilson, Spalding, and Baden have consistently produced high-quality basketballs that are favored by professional and college leagues the world over. 

Which basketball ball should I buy?

As helpful as these rules and guidelines may be, what ultimately matters is how comfortable the player is with a particular sized ball. Of course, it is important to consider factors such as strength, body and hand size, playing ability, and experience. But at the end of the day, only the player can decide if a ball feels good or not. 

The Bottom-Line on Basketball Sizes 

Whether playing for fun or professionally, using the appropriate basketball size can improve your skills immensely. The right-sized ball ensures better focus, enhances technique, and improves performance, so choose wisely! 

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