It's about as big as a Baseball.
In other words, the size of a Baseball is 1.042834785 times 654.85592 dashes.(MLB rules)
It's about one-and-three-tenths times as big as a Tennis Ball.
In other words, 654.85592 dashes is 1.281 times the size of a Tennis Ball, and the size of a Tennis Ball is 0.7806 times that amount.(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 511.3 dashes. 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.
It's about three-fifths as big as a Baseball (packed).
In other words, 654.85592 dashes is 0.61371179 times the size of a Baseball (packed), and the size of a Baseball (packed) is 1.6294293 times that amount.(64% packing density) (MLB rules)
It's about one-and-three-fourths times as big as a Puck (Hockey).
In other words, 654.85592 dashes is 1.74158287 times the size of a Puck (Hockey), and the size of a Puck (Hockey) is 0.5741903054 times that amount.(Ice hockey)
standard ice hockey puck measures about 376.0119207 dashes. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about two-fifths as big as a Blood Donation.
In other words, the size of a Blood Donation is 3 times 654.85592 dashes.(American Red Cross donation volume)
It's about one-third as big as a STARBUCKS Venti Coffee.
In other words, the size of a STARBUCKS Venti Coffee is 2.9 times 654.85592 dashes.
It's about three times as big as an Egg (Chicken).
In other words, the size of an Egg (Chicken) is 0.33 times 654.85592 dashes.(hen; USDA large size; uncooked)