It's about seven times as heavy as a Gold Bar
In other words, 3,000 ounces is 6.83593750 times the weight of a Gold Bar, and the weight of a Gold Bar is 0.14628571430 times that amount.(London Good Delivery bar)
A "London Good Delivery" gold bar — the variety commonly held by Central Banks — should weigh 438.85714290 ounces. The largest gold bar ever produced was minted by Mitsubishi Materials Corporation (a sibling company of the auto manufacturer) in 2005 and weighed 8,818.4904870 ounces.
It's about one-tenth as heavy as a Cow
In other words, 3,000 ounces is 0.130 times the weight of a Cow, and the weight of a Cow is 7.70 times that amount.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 24,000 ounces. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about nine times as heavy as a Dachshund
In other words, the weight of a Dachshund is 0.10 times 3,000 ounces.(a.k.a. "Wiener dog", a.k.a. Teckel, a.k.a. Dackel, a.k.a. "hot dog dog", a.k.a. "sausage dog", a.k.a. "doxie") (FCI standard; standard size)
The Fédération Cynologique Internationale (FCI) calls for dachshunds to weigh about 300 ounces. Despite of their small size, a 2008 survey conducted by the University of Pennsylvania named dachshunds as the most aggressive dog breed.
It's about twelve-and-a-half times as heavy as a Bowling Ball
In other words, the weight of a Bowling Ball is 0.08 times 3,000 ounces.(most common selection among male bowlers)
With an allowable range of 176 ounces, the most-preferred bowling ball weight among adult, male bowlers is 240 ounces. Because regulation balls measure the same diameter irrespective of their weight, ball density varies by size and balls weighing less than about 176.369810 ounces will float in water.
It's about one-twentieth as heavy as a Car
In other words, 3,000 ounces is 0.05148 times the weight of a Car, and the weight of a Car is 19.430 times that amount.(for 2009 Ford Taurus) (curb weight)
A 2009 Ford Taurus weighs 58,270 ounces. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 13,620 ounces.
It's about twenty times as heavy as a Gallon of Paint
It's about twenty times as heavy as a Cat
In other words, the weight of a Cat is 0.05 times 3,000 ounces.(Felis catus) (Domestic; healthy weight)
The average domestic cat should weigh between 200 ounces. Cats are known for their righting reflex, which allows them to land on their feet and survive falls from heights of 1 m (3 ft) up to about 21 m.