Size It Up · Everyday
How big is Bowling ball?
21.8 cmdiameter
A bowling ball is 21.8 cm in diameter.
Enter your height to compare yourself with Bowling ball.
- 1.21× the banana (18 cm)
- 1.48× the smartphone (14.7 cm)
- 0.13× a adult human (1.7 m)
- 0.11× a front door (2.03 m)
How to picture 21.8 cm
Start from something you can see right now. Bowling ball is about 1.21× banana. That is exactly the estimate the board asks you to draw: pick a reference, decide the ratio, resize the silhouette.
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