How big is a bicycle?

A road bike is about 1.8 meters long. That is 1.8 m (5.9 ft) long.

1.8 m long · 5.9 ft

A road bike is about 1.8 meters long.

Average person 1.7 m

Bicycle 1.8 m

Bicycle next to average person, drawn to scale.

Compared with things you know

A bicycle is about 12× the height of a Smartphone Smartphone: 15 cm
A bicycle is about 1.1× the height of an average person Average person: 1.7 m
A bicycle is about 1/1.1 the height of a basketball player Basketball player: 2 m
A bicycle is about 1/1.1 the height of a door Door: 2.03 m

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