Basketball Rules, Positions & Court Dimensions – Complete Guide
Explore basketball rules, player positions and court dimensions in one practical guide. Learn how scoring works, what the court markings mean, how fouls and violations are called, and the differences between international and NBA basketball. This page focuses on five-on-five basketball under FIBA rules, commonly used in Australia and internationally.
Standard FIBA basketball is played by two teams of five players on a 28 m × 15 m court. A basket is worth one, two or three points depending on the shot. Games have four 10-minute quarters, a 24-second shot clock and a 3.05 m-high ring. The five familiar positions are point guard, shooting guard, small forward, power forward and centre.
Court diagram · Dimensions · Positions · Rules · FIBA vs NBA · FAQs
Basketball Court Diagram
This original simplified diagram shows the main markings on a full-size FIBA basketball court. It is illustrative and not a scale plan for court construction.
Reading the diagram: Each end has a basket, restricted area (key), free-throw line and three-point line. The centre circle is used for the opening jump ball. Markings are approximate in this illustration.
Basketball Court Dimensions (FIBA)
The following measurements refer to a standard full-size FIBA court. The three-point distance is measured according to the official court-marking specification, and corner sections are straight rather than a continuous circular arc.
| Court feature | Standard FIBA measurement |
|---|---|
| Playing court | 28 m long × 15 m wide |
| Centre circle | 1.80 m radius |
| Three-point arc | 6.75 m radius (with straight corner sections) |
| Free-throw line | 5.80 m from inner edge of endline to far edge of free-throw line; 3.60 m long |
| Basket ring height | 3.05 m above the floor |
| Basket ring inside diameter | 45 cm (approximately) |
| Court boundary lines | 5 cm wide |
| Clear boundary area | At least 2 m outside the court |
For construction, marking tolerances and equipment specifications, use FIBA's official diagrams rather than this educational summary. School and junior courts may use modified dimensions.
Five Basketball Positions and Responsibilities
Basketball positions describe typical responsibilities, not fixed zones of the court. Unlike netball, players can generally move anywhere on the playing court, subject to the rules.
| Position | Typical responsibility |
|---|---|
| Point guard (PG) | Organises the offence, handles the ball and creates passing opportunities. |
| Shooting guard (SG) | Often provides perimeter shooting and off-ball scoring. |
| Small forward (SF) | Versatile role combining scoring, defence and rebounding. |
| Power forward (PF) | Often works around the key, rebounds and defends larger players. |
| Centre (C) | Often plays near the basket, contests rebounds and protects the rim. |
Modern teams often use flexible roles. A tall player may handle the ball, while a guard may rebound or defend close to the basket. A team's tactics matter more than a rigid position label.
Basketball Rules Explained
1. Starting the game and possession
A FIBA game begins with a jump ball in the centre circle. Alternating-possession procedures are then used for many subsequent jump-ball situations, with an arrow indicating the next possession.
2. Scoring: one, two or three points
A successful free throw scores one point. A field goal from inside the three-point area scores two points, while a successful shot released from the three-point area scores three points. A player's position relative to the line matters: the three-point line itself is part of the two-point area.
3. Dribbling and travelling
Players may advance by dribbling the ball. Travelling is illegal movement with the ball beyond the permitted footwork. After ending a dribble, a player generally cannot begin another dribble unless the rules permit it following an intervening event. This is commonly called a double dribble.
4. Shot clock: 24 seconds
A team generally has 24 seconds to attempt a shot after gaining control. For a legal shot-clock attempt, the ball must leave the shooter's hand before the signal and subsequently touch the ring or enter the basket. In specified situations, the clock is reset to 14 seconds, rather than a full 24.
5. Eight-second backcourt rule
A team controlling the ball in its backcourt generally has eight seconds to advance it to the frontcourt. Once frontcourt control is established, illegally returning the ball to the backcourt can result in a violation.
6. Three seconds in the key
Under FIBA rules, an attacking player must not remain in the opponents' restricted area for more than three consecutive seconds while the player's team controls a live ball in the frontcourt and the game clock is running, subject to specific exceptions.
7. Out of bounds
The ball is out of bounds when it touches a player or object out of bounds, or the floor on or beyond a boundary line. Play normally restarts with a throw-in awarded under the applicable rules.
8. Fouls and free throws
Illegal contact can result in a personal foul. Depending on the situation, the opposing team may receive a throw-in or free throws. Under FIBA rules, a player who commits five fouls must leave the game. Team-foul penalties also apply during each quarter.
2026 rule update: FIBA replaced the former unsportsmanlike foul category with disruptive and flagrant fouls, and revised the classification of technical fouls. Because the detailed sanctions depend on the circumstances, consult the current official rule book for decisions about particular incidents.
9. Goaltending and basket interference
Players cannot illegally interfere with certain shots or with the basket under the relevant goaltending and interference provisions. The precise decision depends on the ball's trajectory, position and contact with the ring or backboard.
10. Substitutions and time-outs
Teams can substitute eligible players and request time-outs during opportunities defined by the rules. Competition-specific procedures apply; substitutions are not simply made at any moment during live play.
How Long Is a Basketball Game?
A standard FIBA game has four 10-minute quarters, totalling 40 minutes of playing time. If scores are tied, five-minute overtime periods are played until a winner is determined. Stoppages and breaks make the actual event longer.
Basketball Ball Sizes
| Ball size | Common use |
|---|---|
| Size 7 | Standard adult men’s competition ball in many leagues |
| Size 6 | Standard adult women’s competition ball in many leagues |
| Size 5 | Common junior and youth programmes; check local age-group rules |
Ball sizes and hoop heights for children can differ by programme. Always check your local association's specifications.
FIBA vs NBA Basketball: Key Differences
| Feature | FIBA standard | NBA standard |
|---|---|---|
| Court | 28 m × 15 m | 94 ft × 50 ft (about 28.65 m × 15.24 m) |
| Game length | 4 × 10-minute quarters | 4 × 12-minute quarters |
| Three-point arc | 6.75 m (with shorter corners) | 23 ft 9 in at the arc; 22 ft in the corners |
| Personal fouls before fouling out | 5 | 6 |
| Shot clock | 24 seconds | 24 seconds |
NBA rules and FIBA rules are not interchangeable. NCAA, WNBA, 3×3 and junior competitions can also differ. This guide uses FIBA five-on-five rules unless a comparison is explicitly labelled.
Basketball Tips for New Players
- Practise controlled dribbling with either hand.
- Learn chest passes, bounce passes and catching while moving.
- Work on balanced shooting form and lay-ups.
- Understand legal defensive positioning and avoid unnecessary contact.
- Learn how the shot clock and game clock affect decisions.
- Communicate on defence and practise boxing out for rebounds.
Frequently Asked Questions
How many players are on a basketball team?
Five players per team are on the court in standard five-on-five basketball. Teams may have substitutes under competition rules.
How big is a basketball court in Australia?
A standard FIBA court is 28 metres long and 15 metres wide. Some school and community courts use other layouts.
How high is a basketball hoop?
The standard ring is 3.05 metres (10 feet) above the playing surface.
What are the five basketball positions?
Point guard, shooting guard, small forward, power forward and centre. They are conventional roles rather than mandatory fixed areas.
What is the three-point line distance?
The standard FIBA arc uses a 6.75-metre radius, with straight corner sections. The NBA uses a different distance.
What is a double dribble?
It commonly refers to starting another dribble after the first dribble has ended, without a rule-permitted intervening event.
How long can a player hold the ball?
There is no general netball-style three-second possession limit. Basketball instead has rules such as the shot clock, closely guarded restrictions in certain situations and other timing violations.
Is a basketball match 40 or 48 minutes?
Standard FIBA matches have 40 minutes of playing time; NBA matches have 48 minutes. Both take longer in real time because of breaks and stoppages.
Official Rules and Further Reading
For current rule wording, consult FIBA's Official Basketball Rules and the FIBA rules and equipment downloads. FIBA's 2026 edition took effect on 1 October 2026.
Disclaimer
This independent educational guide summarises standard FIBA five-on-five basketball and is not an official rule book, referee interpretation or court-construction plan. Rules may be updated and vary by competition, age group and playing format. Always consult the latest governing-body rules and your competition organiser. Fosmore is not affiliated with or endorsed by FIBA, the NBA or any basketball governing body.