It's about as heavy as a Bowling Ball
(most common selection among male bowlers)
With an allowable range of 6 lbs to 16 lbs, the most-preferred bowling ball weight among adult, male bowlers is 15 lbs. Because regulation balls measure the same diameter irrespective of their weight, ball density varies by size and balls weighing less than about 11.0231131 pounds will float in water.
It's about as heavy as a Gallon of Paint
It's about four-fifths as heavy as a Dachshund
In other words, the weight of a Dachshund is 1 times 15 pounds.(a.k.a. "Wiener dog", a.k.a. Teckel, a.k.a. Dackel, a.k.a. "hot dog dog", a.k.a. "sausage dog", a.k.a. "doxie") (FCI standard; standard size)
The Fédération Cynologique Internationale (FCI) calls for dachshunds to weigh about 20 pounds. Despite of their small size, a 2008 survey conducted by the University of Pennsylvania named dachshunds as the most aggressive dog breed.
It's about half as heavy as a Gold Bar
In other words, 15 pounds is 0.5468750 times the weight of a Gold Bar, and the weight of a Gold Bar is 1.8285714290 times that amount.(London Good Delivery bar)
A "London Good Delivery" gold bar — the variety commonly held by Central Banks — should weigh 27.428571430 pounds. The largest gold bar ever produced was minted by Mitsubishi Materials Corporation (a sibling company of the auto manufacturer) in 2005 and weighed 551.15565550 pounds.
It's about two times as heavy as a Cat
In other words, the weight of a Cat is 0.50 times 15 pounds.(Felis catus) (Domestic; healthy weight)
The average domestic cat should weigh between 10 pounds. 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 two-and-a-half times as heavy as a Brick
In other words, the weight of a Brick is 0.430 times 15 pounds.(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 6.40 pounds. 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 three times as heavy as a Chihuahua
In other words, 15 pounds is 3.02 times the weight of a Chihuahua, and the weight of a Chihuahua is 0.3310 times that amount.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 4.960 pounds. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.