SizerooGuessroo · All sizes

How tall is Hyperion, the tallest known tree?

116 mAbout 380.6 ft · Building-sized

About 116 m, a coast redwood in California.

A red kangaroo would need about 14 hops (8 m each) to cover it.

116 m
a whale shark

To scale: the tallest tree is about 9.7× bigger than a whale shark.

Think you can guess sizes? Play today's Sizeroo

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.