SizerooGuessroo · All sizes

How wide is the Moon?

3,474 kmAbout 2,159 miles · Planet-sized

About 3,474 km across, a bit more than a quarter of Earth.

A red kangaroo would need about 430,000 hops (8 m each) to cover it.

3,474 km
the Thames

To scale: the Moon is about 10× bigger than the Thames.

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Things about the same size

Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email [email protected].