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Is 60.055536436 gills as big as a Tennis Ball?

It's about 45 times as big as a Tennis Ball
The size of a Tennis Ball is about 1.3310 gills.
(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must measure 6.54 cm to 6.86 cm in diameter, for a total volume of 1.3310 gills. Competition balls are also tested for bounce height, with the standards requiring that a ball dropped from 254 cm must bounce back to a height of 135 cm to 147 cm.
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