Basketball Court vs. Tennis Court
Comparing 2 standards across 19 specifications. 19 key differences identified.
Official basketball courts are standardized by the NBA (94 × 50 ft / 28.65 × 15.24 m) and FIBA (28.0 × 15.0 m / 91.86 × 49.21 ft). Across all governing bodies, the basketball rim is mounted strictly at 10 ft (3.048 m) above the court with an 18 in (45.7 cm) diameter. The 3-point line measures 23.75 ft (7.24 m) in the NBA and 6.75 m (22.15 ft) under FIBA rules.
Official tennis courts are standardized by the International Tennis Federation (ITF Rule 1). The rectangular court measures 78.0 ft (23.77 m) in length. Singles courts are 27.0 ft (8.23 m) wide; doubles courts are 36.0 ft (10.97 m) wide (doubles alleys 4.5 ft / 1.37 m). The net is suspended at 3.5 ft (1.07 m) at the posts and pulled taut to exactly 3.0 ft (0.914 m / 36 in) at the center strap.
Specification Comparison Table
19 Parameters| Parameter / Spec | ||
|---|---|---|
|
NBA Court Dimensions
|
28.65 × 15.24 m (94.0 × 50.0 ft) | — |
|
FIBA Court Dimensions
|
28.00 × 15.00 m (91.86 × 49.21 ft) | — |
|
Rim Height (Floor to Rim Top)
|
3.048 m (10.0 ft / 120.0 in universal) | — |
|
Rim Inner Diameter
|
45.7 cm (18.0 in solid steel with net hooks) | — |
|
Backboard Dimensions
|
1.80 × 1.05 m (72.0 × 42.0 in transparent tempered glass) | — |
|
Free Throw Line Distance
|
4.57 m (15.0 ft from backboard plane / 19 ft from baseline) | — |
|
NBA 3-Point Arc Radius
|
7.24 m (23.75 ft top of key / 22.0 ft at corners) | — |
|
FIBA 3-Point Arc Radius
|
6.75 m (22.15 ft top of key / 6.60 m at corners) | — |
|
Key / Paint Width
|
4.88 m (16.0 ft NBA / 4.90 m FIBA rectangular key) | — |
|
Center Circle Diameter
|
3.66 m (12.0 ft outer diameter) | — |
|
Court Length (Overall)
|
— | 23.77 m (78.0 ft baseline to baseline) |
|
Singles Width
|
— | 8.23 m (27.0 ft) |
|
Doubles Width
|
— | 10.97 m (36.0 ft with 4.5 ft alleys) |
|
Net Height at Center Strap
|
— | 0.914 m (3.0 ft / 36.0 in strictly maintained) |
|
Net Height at Posts
|
— | 1.07 m (3.5 ft / 42.0 in at post centers) |
|
Service Box Length
|
— | 6.40 m (21.0 ft from net to service line) |
|
Service Box Width
|
— | 4.115 m (13.5 ft per half court) |
|
Baseline Line Width
|
— | Up to 10.0 cm (4.0 in max; other lines 2.5–5.0 cm) |
|
Minimum Overall Stadium Footprint
|
— | 36.57 × 18.29 m (120 × 60 ft including runoffs) |