It's about two times as heavy as a Battery (C).
In other words, 5 ounces is 2.20 times the weight of a Battery (C), and the weight of a Battery (C) is 0.450 times that amount.(Alkaline)
A "C" size battery weighs 2.30 ounces. C batteries are typically used in medium-drain devices such as musical instruments.
It's about two-and-a-half times as heavy as a Tennis Ball.
In other words, 5 ounces is 2.460 times the weight of a Tennis Ball, and the weight of a Tennis Ball is 0.4070 times that amount.(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 5 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, 5 ounces is 0.34482758620690 times the weight of a Football (American), and the weight of a Football (American) is 2.90 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 one-third as heavy as a Football (Soccer).
In other words, the weight of a Football (Soccer) is 3 times 5 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 three times as heavy as a Golf Ball.
In other words, 5 ounces is 3.086 times the weight of a Golf Ball, and the weight of a Golf Ball is 0.3240 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 four times as heavy as a Light Bulb.
In other words, 5 ounces is 4.20 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.