SizerooGuessroo · All sizes

How wide is a pool (billiard) ball?

5.715 cmAbout 2.25 in · Handheld

57.15 mm (2.25 inches).

That's about 1/26 of a red kangaroo (about 1.5 m tall).

5.715 cm
a house fly

To scale: a pool ball is about 8.8× bigger than a house fly.

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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 hello@guessroo.com.