It's about nine-tenths as heavy as a Jelly Bean.
In other words, 0.001 kilograms is 0.91 times the weight of a Jelly Bean, and the weight of a Jelly Bean is 1.1 times that amount.(for Jelly Belly beans; approximate)
Made of sugar, corn syrup, and pectin, a single jelly bean weighs about 0.0011 kilograms. President Ronald Reagan cited jelly beans as his favorite candy and 3,200 kilograms of the candies were served at his first inauguration in 1981.
It's about one-and-three-tenths times as heavy as a Nail.
It's about seven-tenths as heavy as a Paper Clip.
In other words, 0.001 kilograms is 0.71 times the weight of a Paper Clip, and the weight of a Paper Clip is 1.4 times that amount.(average)
Notwithstanding the tremendous variation in sizes and materials, a typical paperclip weighs about 0.0014 kilograms. 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.
It's about three-fifths as heavy as a Playing Card.
In other words, 0.001 kilograms is 0.56 times the weight of a Playing Card, and the weight of a Playing Card is 1.8 times that amount.(ISO 216 B8 size, 2.5" x 3.5")
A single ISO 216 B8-size playing card weighs 0.0018 kilograms. 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 two-fifths as heavy as a Penny.
In other words, the weight of a Penny is 2.5 times 0.001 kilograms.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 0.0025 kilograms. 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 one-fourth as heavy as a Die (Dice).
In other words, 0.001 kilograms is 0.24 times the weight of a Die (Dice), and the weight of a Die (Dice) is 4.2 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 0.0041 kilograms. 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 five times as heavy as a Raindrop.
In other words, the weight of a Raindrop is 0.2 times 0.001 kilograms.(a.k.a. drop, a.k.a. droplet) (average)
The weight of a raindrop depends heavily on the type of weather, but averages about 0.0002 kilograms. The familiar teardrop shape of a raindrop is actually an optical illusion, caused by the reflection of the light and the motion of the drop.