It's about as heavy as a Billiard Ball
In other words, the weight of a Billiard Ball is 1.0454545454546 times 0.00000000015592237718750 megatonnes.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 0.00000000015592237718750 megatonnes and 0.000000000170097138750 megatonnes. 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 as heavy as a Puck (Hockey)
In other words, the weight of a Puck (Hockey) is 1.0454545454546 times 0.00000000015592237718750 megatonnes.(Ice hockey)
A standard ice hockey puck weighs between 0.00000000015592237718750 megatonnes and 0.000000000170097138750 megatonnes. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about one-and-one-tenth times as heavy as a Baseball
In other words, 0.00000000015592237718750 megatonnes is 1.0731707317073 times the weight of a Baseball, and the weight of a Baseball is 0.93181818181820 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 0.0000000001417476156250 megatonnes and 0.000000000148834996406250 megatonnes. 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-fifth times as heavy as a Battery (D)
In other words, 0.00000000015592237718750 megatonnes is 1.150 times the weight of a Battery (D), and the weight of a Battery (D) is 0.870 times that amount.(Alkaline)
A "D" size battery weighs 0.0000000001350 megatonnes. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.
It's about four-fifths as heavy as a Hamster
In other words, the weight of a Hamster is 1 times 0.00000000015592237718750 megatonnes.(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
An adult Syrian hamster has a typical weight of about 0.000000000200 megatonnes. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 0.0000000300 megatonnes of food in their borrows.
It's about one-and-seven-tenths times as heavy as a Deck of Cards
In other words, the weight of a Deck of Cards is 0.590 times 0.00000000015592237718750 megatonnes.(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 0.0000000000940 megatonnes. 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 0.000000230 megatonnes.
It's about half as heavy as a Human Heart