It's about as heavy as a Nail.
It's about seven-tenths as heavy as a Jelly Bean.
In other words, 790 miligrams is 0.720 times the weight of a Jelly Bean, and the weight of a Jelly Bean is 1.40 times that amount.(for Jelly Belly beans; approximate)
Made of sugar, corn syrup, and pectin, a single jelly bean weighs about 1,100 miligrams. President Ronald Reagan cited jelly beans as his favorite candy and 3,200,000,000 miligrams of the candies were served at his first inauguration in 1981.
It's about three-fifths as heavy as a Paper Clip.
In other words, 790 miligrams is 0.560 times the weight of a Paper Clip, and the weight of a Paper Clip is 1.80 times that amount.(average)
Notwithstanding the tremendous variation in sizes and materials, a typical paperclip weighs about 1,400 miligrams. 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 two-fifths as heavy as a Playing Card.
In other words, 790 miligrams is 0.440 times the weight of a Playing Card, and the weight of a Playing Card is 2.30 times that amount.(ISO 216 B8 size, 2.5" x 3.5")
A single ISO 216 B8-size playing card weighs 1,800 miligrams. 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 one-third as heavy as a Penny.
In other words, the weight of a Penny is 3.10 times 790 miligrams.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 2,500 miligrams. 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 four times as heavy as a Raindrop.
In other words, the weight of a Raindrop is 0.30 times 790 miligrams.(a.k.a. drop, a.k.a. droplet) (average)
The weight of a raindrop depends heavily on the type of weather, but averages about 200 mg. 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.
It's about one-fifth as heavy as a sheet of Paper.
In other words, the weight of a sheet of Paper is 5 times 790 miligrams.(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 9,000,000 miligrams, 8.5 inch x 11 inch paper is 2,000,000 miligrams, each sheet weighing 5,000 miligrams. Paper of this size has a thickness of 0.004 caliper (0.1 mm).