It's about 15,000 times as heavy as a Quarter.
In other words, the weight of a Quarter is 0.000066670 times 3,000 ounces.(United States quarter-dollar coin) (a.k.a. Quarter dollar, a.k.a. America the Beautiful quarter, a.k.a. two bits)
The America the Beautiful series quarters, which began to enter circulation in 2017, weigh 0.20 ounces each. In answer to the common riddle, there are 119 ridges around the edge of the coin in its current design.
It's about one-fifteen-thousandth as heavy as a Tree (Sierra Redwood).
In other words, the weight of a Tree (Sierra Redwood) is 15,000 times 3,000 ounces.(a.k.a. Giant Sequoia, a.k.a. Sierran redwood, a.k.a. Wellingtonia, a.k.a. "Big Tree", Sequoiadendron giganteum)
The weight of wood in a Giant Sequoia is 46,000,000 ounces. General Sherman, a specimen in Sequoia National Park in Visalia, California, is the largest tree in the world by volume, with an estimated weight of about 67,000,000 ounces.
It's about 20,000 times as heavy as a sheet of Paper.
In other words, the weight of a sheet of Paper is 0.0000500 times 3,000 ounces.(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
The weight of a ream (500 sheets) of 300 ounces, 8.5 inch x 11 inch paper is 70 ounces, each sheet weighing 0.20 ounces. Paper of this size has a thickness of 0.004 caliper (0.1 mm).
It's about 20,000 times as heavy as a Die (Dice).
In other words, 3,000 ounces is 21,000 times the weight of a Die (Dice), and the weight of a Die (Dice) is 0.0000480 times that amount.(for six-sided, 16 mm, rounded cube)
A die, of the size most commonly used in board games and casinos, typically weight 0.140 ounces. The use of dice and dice-like tools predates written history, with the oldest known examples belonging to a 5,000-year old backgammon set uncovered during an archaeological dig in modern-day Iran.
It's about 35,000 times as heavy as a Penny.
In other words, the weight of a Penny is 0.0000290 times 3,000 ounces.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 0.088 ounces. According to a 2010 report by the United States Mint, the cost of manufacturing and distributing a penny is $0.0179 — more than its face-value.
It's about 45,000 times as heavy as a Playing Card.
In other words, the weight of a Playing Card is 0.0000210 times 3,000 ounces.(ISO 216 B8 size, 2.5" x 3.5")
A single ISO 216 B8-size playing card weighs 0.063 ounces. Although this size is the most common home playing card, many casinos use "bridge size" cards — 2,640 sq. mm (4.036 sq. in) smaller in area.
It's about 60,000 times as heavy as a Paper Clip.
In other words, 3,000 ounces is 61,000 times the weight of a Paper Clip, and the weight of a Paper Clip is 0.0000160 times that amount.(average)
Notwithstanding the tremendous variation in sizes and materials, a typical paperclip weighs about 0.049 ounces. The country of Norway has used the paper clip as something of a national symbol since the end of World War II based on the erroneous notion that the paperclip was invented by a Norwegian, Johan Vaaler. However, the paperclip had already been in existence for at least 30 years by the time of Vaaler patented his paperclip design.