How big is a basketball?

24 cm across · 9.4 in

A men’s basketball is about 24 centimeters across.

Smartphone 15 cm

Basketball 24 cm

Basketball next to smartphone, drawn to scale.

Compared with things you know

A basketball is about 34× the length of a grain of rice Grain of rice: 7 mm
A basketball is about 7.3× the length of a paperclip Paperclip: 3.3 cm
A basketball is about 4.0× the length of a house key House key: 6 cm
A basketball is about 1.6× the height of a Smartphone Smartphone: 15 cm

Think you could size it by eye? A basketball is one of the objects in Sizedle.

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