It's about 3,000 times as heavy as a Playing Card
In other words, 5 kilograms is 2,800 times the weight of a Playing Card, and the weight of a Playing Card is 0.00036 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 3,500 times as heavy as a Paper Clip
In other words, the weight of a Paper Clip is 0.00028 times 5 kilograms.(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 4,500 times as heavy as a Jelly Bean
In other words, the weight of a Jelly Bean is 0.00022 times 5 kilograms.(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 6,500 times as heavy as a Nail
It's about one-fifteen-thousandth as heavy as The Space Shuttle
In other words, the weight of The Space Shuttle is 14,000 times 5 kilograms.(for Endeavour, a.k.a. OV-105, a.k.a. Orbiter Vehicle-105) (empty weight, excluding main engines)
When empty, the space shuttle Endeavour weighs 71,000 kilograms. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 19,737 kg.
It's about one-twenty-thousandth as heavy as a Blue Whale
In other words, 5 kilograms is 0.00004780 times the weight of a Blue Whale, and the weight of a Blue Whale is 20,900 times that amount.(Balaenoptera musculus)
Blue whales weigh between 73,000 and 136,000 kg. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.001 kilograms each.
It's about 30,000 times as heavy as a Raindrop
In other words, the weight of a Raindrop is 0.0000300 times 5 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.