
The basketball used in the NBA is manufactured by Wilson and is made from genuine leather. In contrast, the FIBA-sanctioned competitions like the Olympics and the World Cup use a basketball made by Molten, which is also made from genuine leather but has two colours: orange and ivory. The circumference of the NBA basketball is 29.5 inches, while the FIBA basketball is slightly bigger, with a circumference of 30.7 inches for the men's ball and 29 inches for the women's ball. The NBA court is also slightly larger than the FIBA court, measuring 28.65 by 15.24 meters compared to 28 by 15 meters for the FIBA court.
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What You'll Learn

The circumference of the ball
The circumference of the basketball is one of the most notable differences between the NBA and FIBA. The official size of the basketball used by the NBA is 29.5 inches in circumference, which is the same size used throughout men's college and high school basketball leagues. The WNBA uses a slightly smaller ball, measuring 28.5 inches in circumference.
For international play, specifically FIBA, the basketball used is what's called a Molten GL7 for men and Molten GL6 for women. These basketballs typically feature two different colours and are slightly bigger, with a 30.7-inch circumference for the men's ball and a 29-inch circumference for the women's. The FIBA rules allow for a slightly different range of ball sizes than the NBA. The circumference can be from 749 mm to 780 mm, while the NBA ball has a circumference of 749.3-755.65 mm measured from the spherical line in the middle. Another circumference range for the NBA ball is from 752.5-758.8 mm measured on the surface of the ball.
The Molten B7G5000 basketball was introduced in the 2019 FIBA World Cup and is made from genuine leather with two colours: orange and ivory. The NBA's official basketball is manufactured by Wilson and is also made from genuine leather. Despite the difference in manufacturers, the balls are the same size, with a 29.5-inch circumference. This was confirmed by Spalding, the manufacturer of the NBA game ball, after the 2006 loss to Greece when American fans and journalists were convinced the international ball was smaller.
The FIBA and NBA balls also differ in weight. The FIBA ball should be at least 567 grams and must not exceed 650 grams, while the NBA ball should weigh exactly 623.7 grams, which is inside FIBA's range.
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The weight of the ball
The weight of the basketball is an important consideration for players, as it can affect their performance. The NBA official rules state that the basketball should weigh exactly 623.7 grams, which is within the FIBA-approved weight range of 567 grams to 650 grams.
The FIBA rules specify that the ball should be inflated to a pressure that allows it to rebound to a height between 1200 mm and 1400 mm when dropped from 1800 mm above the playing floor. This inflation requirement is specified in terms of air pressure rather than weight, ensuring that the ball is appropriately inflated for optimal performance.
On the other hand, the NBA mandates a specific weight for their basketballs, with a precise weight of 623.7 grams. This weight is within the acceptable range specified by FIBA, demonstrating that the two organisations' standards are not significantly different in this regard.
It is worth noting that the NBA and FIBA balls also differ in their construction. The NBA ball has eight panels, while the FIBA ball has 12, giving it a slightly different shape and feel. Despite these differences, the weight of the ball remains a key factor in ensuring a consistent and fair playing experience for athletes competing under either set of rules.
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The number of timeouts
In FIBA, teams are given a maximum of five timeouts per game. Three of these can be called in the first half, with the remaining two called in the second half. Only two timeouts can be called in the final two minutes of the fourth quarter. Each timeout lasts 60 seconds and they do not carry over between halves or overtimes.
In Olympic basketball, which operates under rules and regulations set by FIBA, the same timeout rules apply. However, timeouts can only be called in dead-ball situations. In the NBA, players can call a timeout mid-possession to avoid a jump-ball situation.
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The size of the court
Another notable difference is in the three-point line. In the NBA, the three-point line is further from the basket, at 7.24 meters, compared to 6.75 meters in FIBA. This difference can significantly affect shooting strategies and player positioning on the court. The WNBA adopts the men's international three-point line, while the line is moved in further to 6.32 meters for women's FIBA courts.
The number of timeouts also varies between the two sets of rules. In FIBA, there are five timeouts allowed, with two in the first half and three in the second. In contrast, the NBA permits six timeouts and does not specify a particular distribution between the halves. Additionally, international competition only allows for two timeouts in the final 2 minutes of the game.
The rules regarding timeouts during gameplay also differ. In FIBA, only the coach can call a timeout during a stoppage in play. On the other hand, the NBA allows a point guard to call a timeout in the middle of the game, enabling the team to strategize more flexibly.
The FIBA and NBA rules also specify different playing times. FIBA play features four 10-minute quarters, resulting in a total game time of 40 minutes. In contrast, the NBA has 12-minute quarters, leading to a longer total game time of 48 minutes. This extended playing time in the NBA can impact a team's strategy and the potential for comebacks in the final quarter.
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The three-point line
The NBA and WNBA lines are identical in this respect, but the WNBA has since adopted the shorter FIBA line, which is now used in women's basketball. The FIBA three-point line is over a foot and a half shorter than the NBA line, and this difference can pose challenges for players and coaches, requiring adjustments in time management and shooting strategy.
The differences in three-point line distances between competitions can lead to varying styles of play and strategies. The shorter FIBA line, for example, can encourage a slower and more physical style of play, as it is harder to create space for open driving lanes. The longer NBA line, on the other hand, may favour a more dynamic and fast-paced game.
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Frequently asked questions
The circumference of the basketball used in men's FIBA is 75 centimetres or 29.5 inches, while the NBA ball has a circumference of 74.93-75.57 centimetres or 29.5 inches. Therefore, the basketball used in men's FIBA is not smaller than in the NBA.
The FIBA-sanctioned ball is made by Molten and is called the Molten GL7 or the MOLTEN B7G5000, while the NBA-sanctioned ball is made by Wilson. The FIBA ball has 12 panels, while the NBA ball has eight.
Yes, there are several differences between men's FIBA and the NBA, including court size, the three-point line, playing time, and shot clock.




































