It's about one-thirty-five-thousandth as heavy as a liter of Water.
In other words, 0.001 ounces is 0.000028348730 times the weight of a liter of Water, and the weight of a liter of Water is 35,274.950 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 35.274950 ounces 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 one-fifty-thousandth as heavy as a Human Brain.
In other words, the weight of a Human Brain is 47,600 times 0.001 ounces.(adult)
The average weight of an adult human brain is between 47.60 ounces. 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-eighty-thousandth as heavy as a Chihuahua.
In other words, 0.001 ounces is 0.00001260 times the weight of a Chihuahua, and the weight of a Chihuahua is 79,400 times that amount.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 79.40 ounces. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.
It's about one-one-hundred-thousandth as heavy as a Brick.
In other words, 0.001 ounces is 0.00000980 times the weight of a Brick, and the weight of a Brick is 100,000 times that amount.(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 100 ounces. 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-hundred-fifty-thousandth as heavy as a Gallon of Paint.
It's about one-one-hundred-fifty-thousandth as heavy as a Cat.
In other words, the weight of a Cat is 200,000 times 0.001 ounces.(Felis catus) (Domestic; healthy weight)
The average domestic cat should weigh between 200 ounces. Cats are known for their righting reflex, which allows them to land on their feet and survive falls from heights of 1 m (3 ft) up to about 21 m.
It's about one-two-hundred-fifty-thousandth as heavy as a Bowling Ball.
In other words, 0.001 ounces is 0.000004166666670 times the weight of a Bowling Ball, and the weight of a Bowling Ball is 240,000 times that amount.(most common selection among male bowlers)
With an allowable range of 176 ounces, the most-preferred bowling ball weight among adult, male bowlers is 240 ounces. Because regulation balls measure the same diameter irrespective of their weight, ball density varies by size and balls weighing less than about 176.369810 ounces will float in water.