Sports Court Dimensions Australia: Basketball, Netball, Tennis & AFL Marking Guide
Exact court dimensions for basketball, netball, tennis and AFL in Australia — full sizes, key markings and line widths, marked to FIBA, INF, ITF and AFL standards.
Sports Court Dimensions in Australia: Quick Reference
Australian sports courts are marked to the international federation standard for each code — FIBA for basketball, the International Netball Federation (INF) for netball, the ITF for tennis and the AFL for Australian football. Court lines are typically 50 mm wide and measured to the outer edge of the line. This guide lists the exact dimensions for the four most-requested codes, with links to our detailed sport-specific guides.
| Sport | Playing area | Key marking | Line width |
|---|---|---|---|
| Basketball (FIBA) | 28 m × 15 m | 3-point arc 6.75 m; key 4.9 m wide | 50 mm |
| Netball (INF) | 30.5 m × 15.25 m | Goal circle 4.9 m radius; thirds 10.16 m | 50 mm |
| Tennis (ITF) | 23.77 m × 10.97 m (doubles) | Service line 6.40 m from net | 50 mm |
| AFL | 135–185 m × 110–155 m oval | Centre square 50 m; goal square 9 m × 6.4 m | 100 mm boundary |
Basketball Court Dimensions (FIBA)
A full FIBA basketball court used across Australia measures 28 metres long by 15 metres wide, with a three-point arc 6.75 m from the centre of the basket, a key 4.9 m wide and 5.8 m deep, a 3.6 m centre circle and a free-throw line 5.8 m from the backboard. All lines are 50 mm wide.
For half-court and 3x3 sizes, materials, cost and the full measurement process, see our complete basketball court line marking guide.
Netball Court Dimensions
A regulation netball court in Australia is 30.5 metres long by 15.25 metres wide, divided into three equal thirds of 10.16 m by two transverse lines. The centre circle is 0.9 m in diameter, and each goal circle is a semi-circle with a 4.9 m radius drawn from the goal line. All lines are 50 mm wide and count as part of the playing area.
- Court: 30.5 m × 15.25 m
- Thirds: three equal 10.16 m sections
- Centre circle: 0.9 m diameter
- Goal circle: 4.9 m radius semi-circle
- Goalpost height: 3.05 m
Tennis Court Dimensions (ITF)
An ITF tennis court is 23.77 metres long, 8.23 m wide for singles and 10.97 m wide for doubles. The service line sits 6.40 m from the net, and the net is 0.914 m high at the centre. For surface types, colours, multi-court layouts and cost, see our tennis court line marking guide.
AFL Oval and Field Dimensions
An AFL field is an oval with no single fixed size: the playing surface is typically 135–185 metres long and 110–155 metres wide. The marked features are standardised, though — the centre square is 50 m × 50 m, the goal square is 9 m deep and 6.4 m wide, the goal posts stand 6.4 m apart, and the centre circle has a 3 m inner and 10 m outer diameter.
- Oval: 135–185 m long × 110–155 m wide
- Centre square: 50 m × 50 m
- Centre circle: 3 m inner, 10 m outer diameter
- Goal square: 9 m × 6.4 m
- Goal posts: 6.4 m apart
- 50 m arc: 50 m radius from the goal centre
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Frequently Asked Questions
What are the dimensions of a basketball court in Australia?
Australian basketball courts follow FIBA dimensions: a full court is 28 metres long by 15 metres wide, with a 6.75-metre three-point arc, a key 4.9 metres wide and 5.8 metres deep, and a 3.6-metre centre circle. All court lines are 50 mm wide and drawn inside the playing area.
What size is a netball court?
A regulation netball court in Australia is 30.5 metres long by 15.25 metres wide, split into three equal 10.16-metre thirds. The centre circle is 0.9 metres in diameter and each goal circle is a 4.9-metre radius semi-circle. All lines are 50 mm wide and part of the court.
How far is the free-throw line in basketball?
Under FIBA rules used in Australia, the free-throw line is 5.8 metres from the backboard, which places it 4.6 metres from the baseline. The free-throw line marks the front of the key and is 50 mm wide, the same as all other basketball court lines.
How far is the 3-point line in Australia?
On a FIBA-standard court in Australia, the three-point line is 6.75 metres from the centre of the basket around the arc, reducing to 6.60 metres at the corners where the sideline limits the distance. It is measured to the outer edge of the 50 mm line.
What are the AFL goal square and centre square dimensions?
On an AFL field, the goal square is 9 metres deep and 6.4 metres wide (matching the 6.4-metre gap between the goal posts), and the centre square is 50 metres by 50 metres. The centre circle has a 3-metre inner and 10-metre outer diameter.
How big is an AFL oval?
An AFL oval has no single fixed size: the playing surface is typically 135 to 185 metres long and 110 to 155 metres wide. While the oval itself varies, the marked features such as the 50-metre centre square, goal squares and 50-metre arcs are standardised across grounds.
What is the standard line width for sports courts?
Indoor and hard-court sports lines in Australia — basketball, netball and tennis — are typically 50 mm wide, measured to the outer edge of the line. AFL boundary and field lines on grass are wider, usually around 100 mm, for visibility across the large oval.
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