It's about one-fourth as heavy as a Basketball.
In other words, 5 ounces is 0.227272727270 times the weight of a Basketball, and the weight of a Basketball is 4.40000000010 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 22 ounces. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about six times as heavy as a Battery (AA).
In other words, 5 ounces is 5.90 times the weight of a Battery (AA), and the weight of a Battery (AA) is 0.170 times that amount.(Alkaline)
An "AA" size battery weighs 0.850 ounces. 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 six-and-a-half times as heavy as a Mouse.
In other words, the weight of a Mouse is 0.150 times 5 ounces.(a.k.a. "House mouse", Mus musculus) (adult)
The weight of a mouse is typically an average of 0.740 ounces. 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-tenth as heavy as a liter of Water.
In other words, 5 ounces is 0.14174360 times the weight of a liter of Water, and the weight of a liter of Water is 7.054992 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 nine-and-a-half times as heavy as a Compact disc.
It's about one-tenth as heavy as a Human Brain.
In other words, 5 ounces is 0.1050 times the weight of a Human Brain, and the weight of a Human Brain is 9.520 times that amount.(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 twelve times as heavy as a Battery (AAA).
In other words, the weight of a Battery (AAA) is 0.083 times 5 ounces.(Alkaline)
An "AAA" size battery weighs 0.420 ounces. 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.