Football Size Guide
Recommended football size by age group
Quick Reference Chart
| Age | Ball Size | Circumference | League |
|---|---|---|---|
| 5 to 6 years (Pee Wee) | Pee Wee (Size 1) | 18.5 to 19.5 inches (47-50 cm) | Flag Football / Pee Wee |
| 7 to 8 years (Pee Wee/Junior) | Pee Wee (Size 1) to Junior (Size 5) | 19.5 to 21.25 inches (50-54 cm) | Flag / Tackle Youth |
| 9 to 12 years (Junior) | Junior (Size 5) | 20.75 to 21.25 inches (53-54 cm) | Pop Warner / AYF / JV |
| 12 to 14 years (Youth/Intermediate) | Youth (Size 7) to Intermediate (Size 8) | 24.5 to 26 inches (62-66 cm) | Middle School / Junior High |
| 14 to 17 years (Official) | Official (Size 9) | 28 to 28.5 inches (71-72 cm) | High School (NFHS) |
| 18+ years (adult) | Official (Size 9) | 28 to 28.5 inches (71-72 cm) | NCAA / NFL / CFL |
Quick Facts
- •Pee Wee balls are for ages 6 to 9
- •Official size is used in high school, college, and the NFL
- •NFL game balls must be inflated to 12.5 to 13.5 PSI
- •Leather footballs improve with use as the surface breaks in
- •The NFL official ball is called The Duke
Football Sizes from Youth to Professional
American footballs come in four main sizes. Pee Wee is the smallest, designed for players ages 6 to 9 with a circumference around 24.5 to 25 inches. Junior size is for ages 9 to 12 with a 25.5 to 26.5 inch circumference. Youth (also called Intermediate) is for ages 12 to 14, measuring 27 to 27.5 inches. Official size is used in high school, college, and professional play with a circumference of 28 to 28.5 inches and a weight between 14 and 15 ounces. Using the right size helps young players learn the throwing spiral and proper catching technique.
How Football Size Affects Throwing Mechanics
A football that is too large for a player's hand makes it nearly impossible to throw a tight spiral. The fingers cannot wrap around the ball enough to generate the spin needed for accurate passes. Young quarterbacks who throw an official-size ball often compensate by side-arming or pushing the ball, which creates poor habits that carry into later years. With a properly sized ball, players can grip it with their fingertips across the laces, position the index finger near the tip, and release with a clean follow-through that produces consistent spiral rotation.
Leather vs Composite vs Rubber Footballs
Professional and college footballs are made from genuine leather, specifically cowhide. Leather balls have a natural tackiness that improves grip, especially as they are broken in over time. New leather balls can feel slick but develop a better feel after several hours of use. Composite (synthetic leather) footballs are used in many high school and recreational leagues. They offer consistent grip from the first throw and perform better in wet conditions than untreated leather. Rubber footballs are the most durable option for playground and backyard use and can handle rough surfaces like asphalt and concrete.
NFL and NCAA Ball Specifications
The NFL official game ball, known as The Duke, must be inflated to between 12.5 and 13.5 PSI. It must weigh between 14 and 15 ounces and have a long axis between 11 and 11.25 inches. The NCAA ball has slightly different specifications, with inflation between 12.5 and 13.5 PSI and a slightly smaller circumference that some players find easier to grip. Both leagues require the ball to be a natural tan color. In the NFL, each team provides 12 primary balls for inspection before the game, plus backup balls for kicking plays.
Caring for a Football
Leather footballs should be conditioned regularly with a leather conditioner or football-specific prep spray. This keeps the leather soft and improves grip. Avoid using saddle soap or household oils, which can make the ball slippery. Store the ball at room temperature and avoid leaving it in direct sunlight for extended periods, which causes the leather to dry out and crack. Always deflate the ball slightly for storage to reduce stress on the seams. Composite balls require less maintenance but benefit from occasional cleaning with a damp cloth.
Frequently Asked Questions
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This calculator is for educational and reference purposes only. Always verify critical calculations independently.