# item.guide
Side-by-Side Comparison Ball Sports

Basketball vs. Rugby

Comparing 2 standards across 19 specifications. 19 key differences identified.

Comparing:
Basketball
Rugby

Basketball dimensions and inflation pressures are standardized by FIBA, the NBA, and the NCAA. The official men's ball (Size 7) measures 29.5 in (74.9–78.0 cm) in circumference with a mass of 22 oz (567–650 g) and inflation pressure of 7.5–8.5 psi. The official women's ball (Size 6) measures 28.5 in (72.4–73.7 cm) with a mass of 18–20 oz (510–567 g).

View full Basketball spec sheet →

Official rugby balls are prolate spheroids regulated by World Rugby (Law 2) for Rugby Union and the RFL for Rugby League. An adult match ball (Size 5) has a length of 280–300 mm (11.0–11.8 in), long circumference of 740–770 mm (29.1–30.3 in), short circumference of 580–620 mm (22.8–24.4 in), mass of 410–460 g (14.5–16.2 oz), and pressure of 0.67–0.70 bar (9.7–10.2 psi).

View full Rugby spec sheet →

Specification Comparison Table

19 Parameters
Parameter / Spec
Men's Official Standard
Size 7 (29.5 in) NBA / FIBA / NCAA Men
Size 7 Circumference
74.9–78.0 cm (29.5–30.7 in)
Size 7 Mass / Weight
567–650 g (20.0–22.9 oz)
Inflation Pressure (NBA / FIBA)
7.5–8.5 psi (0.52–0.59 bar / 517–586 hPa)
Women's Official Standard
Size 6 (28.5 in) WNBA / FIBA / NCAA Women
Size 6 Circumference
72.4–73.7 cm (28.5–29.0 in)
Size 6 Mass / Weight
510–567 g (18.0–20.0 oz)
Youth Standard (Ages 9–11)
Size 5 (27.5 in) 69.0–71.0 cm / 470–500 g
Official 3x3 Basketball
Size 6 Circumference / Size 7 Weight 72.4–73.7 cm / 590–650 g
Standard Rebound Drop Test
1,200–1,400 mm rebound when dropped from 1,800 mm
Official Match Size
Size 5 World Rugby / IRL Standard
Length Axis (Tip to Tip)
280–300 mm (11.0–11.8 in)
Long Circumference
740–770 mm (29.1–30.3 in)
Short Circumference
580–620 mm (22.8–24.4 in)
Mass / Weight
410–460 g (14.5–16.2 oz)
Inflation Pressure
0.67–0.70 bar (9.7–10.2 psi / 65.71–68.75 kPa)
Size 4 Youth (Ages 10–14)
270 mm length / 540 mm short circ / 370–390 g Youth Standard
Size 3 Junior (Under 10)
250 mm length / 500 mm short circ / 310–330 g Junior Standard
Panel Geometry
4-Panel Poly-Cotton Laminate with Rubber Compound Pimple Grip Standard