Ball Size Calculator
Choose the sport, enter the player's age and say whether the player is a boy or a girl. The calculator gives the right ball size with its circumference, diameter and weight.
- Ball size
- Circumference
- Weight
Leagues and schools may set their own sizes, so check their rules.
Ball size follows age. A 10 year old plays football with a size 4 ball, about 64 cm round. At 13 they move to a size 5. In basketball a 13 year old girl uses a size 6, and boys move to a size 7 at 15.
Ball size chart
By sport and age. Search for a sport.
| Sport | Size | Age | Circumference (cm) | Weight (g) |
|---|---|---|---|---|
| Football | Size 3 | Under 9 | 60 | 320 |
| Football | Size 4 | 9 to 12 | 64 | 370 |
| Football | Size 5 | 13 and over | 69 | 430 |
| Basketball | Size 4 | Under 8 | 64 | 400 |
| Basketball | Size 5 | 8 to 11 | 70 | 470 |
| Basketball | Size 6 | Girls 12 and over, boys 12 to 14 | 73 | 540 |
| Basketball | Size 7 | Boys 15 and over, men | 75 | 600 |
| Rugby | Size 3 | Under 9 | 64 | 300 |
| Rugby | Size 4 | 9 to 14 | 70 | 360 |
| Rugby | Size 5 | 15 and over | 76 | 430 |
| Volleyball | Youth (lite) | 12 and under | 64 | 220 |
| Volleyball | Size 5 | 13 and over | 66 | 270 |
Sizes.
Age and football
Football sizes. Slide the age.
The right ball is highlighted.
How to choose a ball size
Age to ball. Step through it.
Sport
Choose.
Pump the ball to the pressure printed by the valve.
Size 3, 4 or 5 football
Football sizes. Compare them.
Juniors.
Youth.
Adults.
Smaller, lighter balls help young players learn to control and pass.
Before you buy
Ball checks. Tick each item.
Tick each item as you go.
Keep a pump and needle in the kit bag.
What you get
Ball sizing. Each tile explains one result.
Number.
Circumference.
Grams.
Band.
League.
A size 5 football is the one used in adult matches worldwide.
Frequently Asked Questions
No question matches that search.
What size football for a ten year old?
A size four ball.
When do kids use a size five football?
From about thirteen years old.
What size basketball for women?
A size six, about seventy three centimetres round.
What size basketball do men use?
A size seven.
What size rugby ball for an under twelve?
A size four.
Does ball size matter for young players?
Yes. A smaller, lighter ball helps control and confidence.
How round is a size five football?
About sixty eight to seventy centimetres.
The right ball for every age
Give each player a ball that fits their age and they learn faster and play better.
More size calculators
Each one has its own calculator, worked examples and answers to common questions.