It's about one-one-hundredth as heavy as a Basketball.
In other words, 87.50 grains is 0.0090909090909 times the weight of a Basketball, and the weight of a Basketball is 110 times that amount.(NBA official ball standards, Size 7)
A regulation NBA basketball, manufactured by Spalding, is known as a Size 7 ball and weighs 9,625 grains. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about one-two-hundredth as heavy as a liter of Water.
In other words, 87.50 grains is 0.005669746 times the weight of a liter of Water, and the weight of a liter of Water is 176.37470 times that amount.(fresh; 4° C / 39.2° F; maximum density)
Contrary to popular belief, 1 liter (0.0.264172052358148 gal) of water at 4° C / 39.2° F (its point of maximum density) weighs 15,432.790 grains rather than 1 kg exactly. The total volume of water on the planet Earth is about 13,590,000,000,000,000,000 (13.59 quntillion) L (3,590,000,000,000,000,000 gallons).
It's about 200 times as heavy as a Grain of Rice.
In other words, the weight of a Grain of Rice is 0.005 times 87.50 grains.(long grain; 14% moisture content)
A single long grain of rice weighs an average of 0.450 grains. A staple through most of human history, archaeological evidence indicates that the earliest rice cultivation was about 11,500 years ago.
It's about one-two-hundred-fiftieth as heavy as a Human Brain.
In other words, the weight of a Human Brain is 238 times 87.50 grains.(adult)
The average weight of an adult human brain is between 20,800 grains. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
It's about one-four-hundredth as heavy as a Chihuahua.
In other words, 87.50 grains is 0.00252 times the weight of a Chihuahua, and the weight of a Chihuahua is 397 times that amount.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 34,700 grains. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.
It's about one-five-hundredth as heavy as a Brick.
In other words, the weight of a Brick is 500 times 87.50 grains.(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 45,000 grains. The steeple of the Church of St. Martin in Landshut, Germany is said to be the tallest brick tower in the world at a height of 130.6 m (428.5 ft) and was constructed using an estimated 650,000 bricks.
It's about one-one-thousandth as heavy as a Gallon of Paint.