It's about as big as a Baseball
It's about one-and-three-tenths times as big as a Tennis Ball
In other words, 654.855920 dashes is 1.2810 times the size of a Tennis Ball, and the size of a Tennis Ball is 0.78060 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 511.30 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, 654.855920 dashes is 0.613711790 times the size of a Baseball (packed), and the size of a Baseball (packed) is 1.62942930 times that amount.(64% packing density) (MLB rules)
Per Major League Baseball rules, a baseball must measure between about 654.855920 dashes and 710.957150 dashes. A major league pitcher can throw a fastball at up to 150 kph (91 mph).
It's about one-and-three-fourths times as big as a Puck (Hockey)
In other words, 654.855920 dashes is 1.741582870 times the size of a Puck (Hockey), and the size of a Puck (Hockey) is 0.57419030540 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
It's about one-third as big as a STARBUCKS Venti Coffee
In other words, the size of a STARBUCKS Venti Coffee is 2.90 times 654.855920 dashes.A STARBUCKS Venti coffee drink measures 1,900 dashes. The name of the size, Venti, is the Italian word for twenty.
It's about three times as big as an Egg (Chicken)
In other words, the size of an Egg (Chicken) is 0.330 times 654.855920 dashes.(hen; USDA large size; uncooked)
A typical egg — of large size as defined by the United State Department of Agriculture — has a volume of 220 dashes. Each year, American farms produce 69,000,000,000 eggs.