It's about half as heavy as a Human Heart.
It's about two-and-a-half times as heavy as a Tennis Ball.
In other words, the weight of a Tennis Ball is 0.4170 times 4.890 ounces.(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must weigh about 2.04 ounces. 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 two-fifths as heavy as a Can of Soup.
In other words, the weight of a Can of Soup is 2.50 times 4.890 ounces.(for Campbell''s Condensed Tomato Soup, 317.9 ml)
A can of Campbell''s Tomato Soup weighs 12 ounces. Cans have been used to store soup and other foods since their invention in 1913, but a dedicated can opener was not developed until cans began to use thinner materials — prior to that time, cans were usually opened using various blunt instruments and tools.
It's about one-third as heavy as a Football (American).
In other words, 4.890 ounces is 0.33724137931030 times the weight of a Football (American), and the weight of a Football (American) is 2.9652351738250 times that amount.(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 14 ounces and 15 ounces. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.
It's about three times as heavy as a Golf Ball.
In other words, 4.890 ounces is 3.018 times the weight of a Golf Ball, and the weight of a Golf Ball is 0.33130 times that amount.(per R&A USGA Rules of Golf; maximum rule weight)
According to the Rules of Golf (as approved by the United States Golf Association and the Rules Committee of the Royal and Ancient Golf Club of Saint Andrews), golf balls must weigh no more than 1.620 ounces. Golf balls are not required to have the familiar dimpled pattern, but the design has been popular since its invention in 1905 because it reduces drag while increasing lift.
It's about one-third as heavy as a Football (Soccer).
In other words, the weight of a Football (Soccer) is 3.10 times 4.890 ounces.(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
According to FIFA's Law of the Game number 2, a football must weigh between 14 ounces and 16 ounces. An artifact on display at the Smith Art Gallery in Museum in Stirling, Scotland is said to be the world's oldest football and is about one-third to one-half the size of a modern football.
It's about four times as heavy as a Light Bulb.
In other words, 4.890 ounces is 4.10 times the weight of a Light Bulb, and the weight of a Light Bulb is 0.240 times that amount.(a.k.a. lamp) (for A19-size, 60w, incandescent bulb by Bulbrite; package weight)
A standard, sixty-watt light bulb weighs about 1.2 oz. The tightly-coiled filament inside a bulb of this size would measure about 579mm if uncoiled and stretched out.