It's about 1,000 times as big as a Tennis Ball
In other words, 4.50 bushels is 1,007 times the size of a Tennis Ball, and the size of a Tennis Ball is 0.000993 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 0.004469 bushels. 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 750 times as big as a Baseball
In other words, 4.50 bushels is 753.77852470 times the size of a Baseball, and the size of a Baseball is 0.001326649629 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must measure between about 0.005724706715 bushels and 0.006215139944 bushels. A major league pitcher can throw a baseball at up to 150 kph (91 mph) in a fastball pitch.
It's about 500 times as big as a Baseball (packed)
In other words, 4.50 bushels is 482.418260 times the size of a Baseball (packed), and the size of a Baseball (packed) is 0.00207289 times that amount.(64% packing density) (MLB rules)
Per Major League Baseball rules, a baseball must measure between about 0.0057247067 bushels and 0.0062151399 bushels. A major league pitcher can throw a fastball at up to 150 kph (91 mph).
It's about 300 times as big as a Blood Donation
It's about 250 times as big as a STARBUCKS Venti Coffee
In other words, the size of a STARBUCKS Venti Coffee is 0.0037 times 4.50 bushels.A STARBUCKS Venti coffee drink measures 0.017 bushels. The name of the size, Venti, is the Italian word for twenty.
It's about 95 times as big as an Ostrich Egg
In other words, 4.50 bushels is 97.170 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 0.01029 times that amount.(Struthio camelus) (for common ostrich; average)
The largest egg produced by living birds, ostrich eggs measure about 0.0454 bushels in volume. The eggs take about nine weeks to hatch, with males and females taking turns incubating them.