SizerooGuessroo · All sizes

How far is it to the centre of the Earth?

6,371 kmAbout 3,959 miles · Planet-sized

About 6,371 km on average.

A red kangaroo would need about 800,000 hops (8 m each) to cover it.

6,371 km
Lake Baikal

To scale: Earth's radius is about 10× bigger than Lake Baikal.

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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].