It's about one-one-thousandth as heavy as an Anchor of a Cruise Ship.
In other words, 20 pounds is 0.000803 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 1,250 times that amount.(for QE2 forward anchor, a.k.a. RMS Queen Elizabeth 2)
Each of the forward anchors of the RMS Queen Elizabeth 2 weighs 24,900 pounds. The anchor of the QE2 now sits in front of the Holyrood Church in Southampton, England, United Kingdom, along a pedestrian tourist route known as "the QE2 mile."
It's about 1,500 times as heavy as an Eye (Human).
It's about 1,500 times as heavy as a Quarter.
In other words, the weight of a Quarter is 0.000625 times 20 pounds.(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 0.0125 pounds each. In answer to the common riddle, there are 119 ridges around the edge of the coin in its current design.
It's about 2,000 times as heavy as a sheet of Paper.
In other words, the weight of a sheet of Paper is 0.0005 times 20 pounds.(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 20 lb, 8.5 inch x 11 inch paper is 4 pounds, each sheet weighing 0.01 pounds. Paper of this size has a thickness of 0.004 caliper (0.1 mm).
It's about 2,000 times as heavy as a Die (Dice).
In other words, 20 pounds is 2,200 times the weight of a Die (Dice), and the weight of a Die (Dice) is 0.00045 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 0.009 pounds. 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 3,500 times as heavy as a Penny.
In other words, the weight of a Penny is 0.00028 times 20 pounds.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 0.0055 pounds. 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 5,000 times as heavy as a Playing Card.
In other words, the weight of a Playing Card is 0.0002 times 20 pounds.(ISO 216 B8 size, 2.5" x 3.5")
A single ISO 216 B8-size playing card weighs 0.004 pounds. 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.