Mass of a regulation tennis ball

Mass of a regulation tennis ball (57 g)

/fact/mass-of-a-regulation-tennis-ball

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Neat Ratios ...

Mass of a regulation tennis ball (57 g)

is 1/5000 of Mass of an adult male North American Black Bear (280 kg)...more
is 1/400 of Mass of a packed suitcase (maximum checked-in British Airways) (23 kg)...more
is 1/50 of Mass of a brick (2.9 kg)...more
is 1/25 of Mass of an average coconut (1.44 kg)...more
is 1/25 of Mass of an ostrich egg (approx) (1.4 kg)...more
is 2/5 of Mass of the lightest allowable regulation baseball (142 g)...more

If this was a standard unit ...