It's about one-fifteen-thousandth as heavy as a Nail
In other words, 0.000903 grains is 0.000074 times the weight of a Nail, and the weight of a Nail is 14,000 times that amount.(for 15-gauge, 2-inch, finishing nails)
A two-inch finishing nail weighs 12 grains. Nails have been in use for more than 5,400 years and were ven used as a medium of exchange in ancient times.
It's about one-twenty-thousandth as heavy as a Jelly Bean
In other words, 0.000903 grains is 0.000053 times the weight of a Jelly Bean, and the weight of a Jelly Bean is 19,000 times that amount.(for Jelly Belly beans; approximate)
Made of sugar, corn syrup, and pectin, a single jelly bean weighs about 18 grains. President Ronald Reagan cited jelly beans as his favorite candy and 49,000,000 grains of the candies were served at his first inauguration in 1981.
It's about one-twenty-five-thousandth as heavy as a Paper Clip
In other words, 0.000903 grains is 0.000042 times the weight of a Paper Clip, and the weight of a Paper Clip is 24,000 times that amount.(average)
Notwithstanding the tremendous variation in sizes and materials, a typical paperclip weighs about 22 grains. 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 one-thirty-thousandth as heavy as a Playing Card
In other words, 0.000903 grains is 0.000033 times the weight of a Playing Card, and the weight of a Playing Card is 30,000 times that amount.(ISO 216 B8 size, 2.5" x 3.5")
A single ISO 216 B8-size playing card weighs 28 grains. 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-forty-five-thousandth as heavy as a Penny
In other words, 0.000903 grains is 0.000023 times the weight of a Penny, and the weight of a Penny is 43,000 times that amount.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 39 grains. 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-seventy-thousandth as heavy as a Die (Dice)
In other words, 0.000903 grains is 0.000014 times the weight of a Die (Dice), and the weight of a Die (Dice) is 71,000 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 63 grains. 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 one-eighty-five-thousandth as heavy as a sheet of Paper
In other words, 0.000903 grains is 0.000012 times the weight of a sheet of Paper, and the weight of a sheet of Paper is 83,000 times that amount.(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 140,000 grains, 8.5 inch x 11 inch paper is 31,000 grains, each sheet weighing 77 grains. Paper of this size has a thickness of 0.004 caliper (0.1 mm).