It's about 5,000 times as heavy as a Golf Ball.
In other words, 8,000 ounces is 4,938 times the weight of a Golf Ball, and the weight of a Golf Ball is 0.0002025 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 4,000 times as heavy as a Tennis Ball.
In other words, 8,000 ounces is 3,930 times the weight of a Tennis Ball, and the weight of a Tennis Ball is 0.000254 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 3,500 times as heavy as a Battery (C).
In other words, the weight of a Battery (C) is 0.00029 times 8,000 ounces.(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 2,500 times as heavy as a Deck of Cards.
In other words, the weight of a Deck of Cards is 0.00042 times 8,000 ounces.(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
A deck of 52 ISO 216 B8-size playing cards weighs 3.30 ounces. Utilizing nearly 3,700 decks, the record-holding largest card tower was built in early 2010, stood over 3.5 m (11 ft), and weighed over 8,000 ounces.
It's about 1,500 times as heavy as a Battery (D).
In other words, 8,000 ounces is 1,680 times the weight of a Battery (D), and the weight of a Battery (D) is 0.000595 times that amount.(Alkaline)
A "D" size battery weighs 4.760 ounces. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
It's about 1,500 times as heavy as a Baseball.
In other words, 8,000 ounces is 1,560.97560975610 times the weight of a Baseball, and the weight of a Baseball is 0.000640625 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 5 ounces and 5.250 ounces. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).
It's about 1,500 times as heavy as a Billiard Ball.
In other words, 8,000 ounces is 1,391.30434782610 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.00071874999999999 times that amount.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 5.50 ounces and 6 ounces. According to legend, the difficulty in obtaining elephant ivory for the manufacture of billiard balls in the 19th century inspired the search for a replacement material, which led to the development of the first industrial plastic.