It's about one-and-one-tenth times as heavy as a Billiard Ball.
In other words, 0.0001875 tons is 1.0434782608696 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.95833333333330 times that amount.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 0.000171875 tons and 0.0001875 tons. 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 one-and-one-tenth times as heavy as a Puck (Hockey).
In other words, 0.0001875 tons is 1.0434782608696 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.95833333333330 times that amount.(Ice hockey)
A standard ice hockey puck weighs between 0.000171875 tons and 0.0001875 tons. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about nine-tenths as heavy as a Hamster.
In other words, the weight of a Hamster is 1 times 0.0001875 tons.(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
An adult Syrian hamster has a typical weight of about 0.0002 tons. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 0.03 tons of food in their borrows.
It's about one-and-one-fifth times as heavy as a Baseball.
In other words, 0.0001875 tons is 1.17073170731710 times the weight of a Baseball, and the weight of a Baseball is 0.854166666666650 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 0.00015625 tons and 0.0001640625 tons. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).
It's about one-and-one-fourth times as heavy as a Battery (D).
In other words, 0.0001875 tons is 1.260 times the weight of a Battery (D), and the weight of a Battery (D) is 0.7940 times that amount.(Alkaline)
A "D" size battery weighs 0.000149 tons. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
It's about one-and-four-fifths times as heavy as a Deck of Cards.
In other words, the weight of a Deck of Cards is 0.560 times 0.0001875 tons.(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
A deck of 52 ISO 216 B8-size playing cards weighs 0.0001 tons. Utilizing nearly 3,700 decks, the record-holding largest card tower was built in early 2010, stood over 3.5 m (11 ft), and weighed over 0.250 tons.
It's about half as heavy as a Human Heart.
In other words, 0.0001875 tons is 0.550 times the weight of a Human Heart, and the weight of a Human Heart is 1.80 times that amount.(human; adult)
The average human heart weighs about 0.00034 tons. Each minute, the heart pumps between 10 and 20 liters (3 to 5 gallons) of blood through its chambers.