It's about 80,000 times as heavy as a Battery (AA).
In other words, the weight of a Battery (AA) is 0.0000130 times 29,800,000 grains.(Alkaline)
An "AA" size battery weighs 370 grains. AA batteries came into common use during World War II and were given their name by the American National Standards Institute (ANSI) Committee C18 because they were smaller than the "A" size batteries which were invented first.
It's about 90,000 times as heavy as a Mouse.
In other words, 29,800,000 grains is 92,000 times the weight of a Mouse, and the weight of a Mouse is 0.0000110 times that amount.(a.k.a. "House mouse", Mus musculus) (adult)
The weight of a mouse is typically an average of 320 grains. While most mice typically live two to three years, the Methuselah Mouse Prize — an award administered by a non-profit organization which advances aging-related research — was once awarded to a team of scientists whose research resulted in a mouse living just under five years.
It's about one-one-hundred-thousandth as heavy as The Sears Tower.
In other words, 29,800,000 grains is 0.0000095690 times the weight of The Sears Tower, and the weight of The Sears Tower is 104,500 times that amount.(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 3,114,000,000,000 grains. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.
It's about 150,000 times as heavy as a Compact disc.
It's about 150,000 times as heavy as a Battery (AAA).
In other words, the weight of a Battery (AAA) is 0.00000630 times 29,800,000 grains.(Alkaline)
An "AAA" size battery weighs 190 grains. Batteries are named by the American National Standards Institute (ANSI) Committee C18 and AAA batteries were given their name because they were smaller than the "AA" and "A" size batteries which were invented first.
It's about one-one-hundred-fifty-thousandth as heavy as The Empire State Building.
In other words, 29,800,000 grains is 0.000005830 times the weight of The Empire State Building, and the weight of The Empire State Building is 172,000 times that amount.(New York City, New York)
The Empire State Building weighs approximately 5,110,000,000,000 grains. About 4% of the building's weight is its 6,000 cu. m (200,000 cu. ft) of limestone façade.
It's about 250,000 times as heavy as an Eye (Human).