It's about two-fifths as heavy as a Billiard Ball.
In other words, the weight of a Billiard Ball is 2.50 times 2.30 ounces.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 5.50 ounces and 6 ounces. According to legend, the difficulty in obtaining elephant ivory for the manufacture of billiard balls in the 19th century inspired the search for a replacement material, which led to the development of the first industrial plastic.
It's about two-fifths as heavy as a Puck (Hockey).
It's about two-and-a-half times as heavy as a Battery (AA).
In other words, the weight of a Battery (AA) is 0.370 times 2.30 ounces.(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 three times as heavy as a Mouse.
In other words, 2.30 ounces is 3.10 times the weight of a Mouse, and the weight of a Mouse is 0.320 times that amount.(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 three-tenths as heavy as a Hamster.
In other words, the weight of a Hamster is 3 times 2.30 ounces.(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
An adult Syrian hamster has a typical weight of about 7 ounces. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 900 ounces of food in their borrows.
It's about four-and-a-half times as heavy as a Compact disc.
It's about one-fifth as heavy as a Human Heart.