It's about ten times as heavy as a Hamster
In other words, the weight of a Hamster is 0.10 times 0.000000002250 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-fifteenth as heavy as a Dalmatian
In other words, the weight of a Dalmatian is 13.10 times 0.000000002250 megatonnes.(a.k.a. Dalmatinac, a.k.a. Carriage Dog, a.k.a. Spotted Coach Dog, a.k.a. Firehouse Dog) (FCI standard; male)
The Fédération Cynologique Internationale (FCI) calls for Dalmatians to weigh between 0.00000002950 megatonnes. The association of the breed with fire departments (and similarly with Budweiser Beer and its team of Clydesdales) stems from their affinity for horses, having been used historically as carriage dogs capable of guiding horse-drawn fire engines to the sites of blazes.
It's about fourteen times as heavy as a Billiard Ball
In other words, 0.000000002250 megatonnes is 13.8028546759230 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.072448781319443 times that amount.(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 fourteen times as heavy as a Puck (Hockey)
In other words, 0.000000002250 megatonnes is 13.8028546759230 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.072448781319443 times that amount.(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 fifteen-and-a-half times as heavy as a Baseball
In other words, 0.000000002250 megatonnes is 15.4861296364010 times the weight of a Baseball, and the weight of a Baseball is 0.064573913784723 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 sixteen-and-a-half times as heavy as a Battery (D)
In other words, the weight of a Battery (D) is 0.0599 times 0.000000002250 megatonnes.(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 one-twentieth as heavy as a Toilet
In other words, 0.000000002250 megatonnes is 0.0516 times the weight of a Toilet, and the weight of a Toilet is 19.40 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 0.00000004360 megatonnes. The Indian town of Musiri in Tamil Nadu state features the world's only paying toilet, which rewards its users up to 10¢ Indian (10 paisas) per visit and uses the waste for compost and fertilizer.