Sizes / Everyday things

How big is an AA battery?

5.1 cm long · 2 in

An AA cell is about fifty millimeters long.

Paperclip 3.3 cm

AA battery 5.1 cm

AA battery next to paperclip, drawn to scale.

Compared with things you know

An AA battery is about 7.2× the length of a grain of rice Grain of rice: 7 mm
An AA battery is about 1.5× the length of a paperclip Paperclip: 3.3 cm
An AA battery is about 1/1.2 the length of a house key House key: 6 cm
An AA battery is about 1/3.0 the height of a Smartphone Smartphone: 15 cm

Think you could size it by eye? An AA battery is one of the objects in Sizedle.

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