It's about as big as a Blood Donation.
It's about as big as a STARBUCKS Venti Coffee.
A STARBUCKS Venti coffee drink measures 590 milliliters. The name of the size, Venti, is the Italian word for twenty.
It's about one-and-four-fifths times as big as a Baseball (packed).
In other words, 590 milliliters is 1.79489390 times the size of a Baseball (packed), and the size of a Baseball (packed) is 0.5571360 times that amount.(64% packing density) (MLB rules)
Per Major League Baseball rules, a baseball must measure between about 201.733340 milliliters and 219.01575 milliliters. A major league pitcher can throw a fastball at up to 150 kph (91 mph).
It's about one-third as big as an Ostrich Egg.
In other words, 590 milliliters is 0.36150 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 2.7660 times that amount.(Struthio camelus) (for common ostrich; average)
The largest egg produced by living birds, ostrich eggs measure about 1,600 milliliters in volume. The eggs take about nine weeks to hatch, with males and females taking turns incubating them.
It's about three times as big as a Baseball.
In other words, 590 milliliters is 2.8045217830 times the size of a Baseball, and the size of a Baseball is 0.3565670290 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must measure between about 201.73334160 milliliters and 219.0157526 milliliters. A major league pitcher can throw a baseball at up to 150 kph (91 mph) in a fastball pitch.
It's about three-tenths as big as a Human Stomach.
It's about three-and-a-half times as big as a Tennis Ball.
In other words, 590 milliliters is 3.7460 times the size of a Tennis Ball, and the size of a Tennis Ball is 0.2670 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 157.50 milliliters. 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.