SizerooGuessroo · All sizes

How long is a tennis court?

23.77 mAbout 77.99 ft · Building-sized

23.77 metres, or 78 feet.

That's about 16 red kangaroos head to toe.

23.77 m
Hubble's mirror

To scale: a tennis court is about 9.9× bigger than Hubble's mirror.

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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].