It's about one-six-thousandth as heavy as The Eiffel Tower
In other words, 25,490,000 grains is 0.000164 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 6,100 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (total weight)
The Eiffel Tower weighs approximately 156,000,000,000 grains. Architected to be quickly assembled, the Tower contains only 930 cu. meters of solid material.
It's about 8,000 times as heavy as a Hamster
In other words, the weight of a Hamster is 0.0001 times 25,490,000 grains.(for Syrian hamster, a.k.a. golden hamster, a.k.a. Mesocricetus auratus; adult)
An adult Syrian hamster has a typical weight of about 3,000 grains. Known for transporting food in the pouches of their cheeks so that they can bury it later, some hamsters can store up to 400,000 grains of food in their borrows.
It's about one-eight-thousandth as heavy as The Brooklyn Bridge
In other words, 25,490,000 grains is 0.000124 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 8,065 times that amount.(a.k.a. New York and Brooklyn Bridge) (Manhattan and Brooklyn, New York City, New York) (total weight)
The total weight of the Brooklyn Bridge is approximately 205,600,000,000 grains. In a promotional event to prove the bridge's stability shortly after it opened, entertainer P. T. Barnum led a parade of 21 elephants across it in May of 1884.
It's about 10,000 times as heavy as a Billiard Ball
In other words, 25,490,000 grains is 10,132.6708074530 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.0000986906630051040 times that amount.(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 2,406.250 grains and 2,625 grains. 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 10,000 times as heavy as a Puck (Hockey)
In other words, 25,490,000 grains is 10,132.6708074530 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.0000986906630051040 times that amount.(Ice hockey)
A standard ice hockey puck weighs between 2,406.250 grains and 2,625 grains. Hockey pucks can be shot or passed at speeds of up to 160 kph (99 mph) during games.
It's about 10,000 times as heavy as a Baseball
In other words, 25,490,000 grains is 11,368.3623693380 times the weight of a Baseball, and the weight of a Baseball is 0.0000879634170262850 times that amount.(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 2,187.50 grains and 2,296.8750 grains. 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 10,000 times as heavy as a Battery (D)
In other words, 25,490,000 grains is 12,200 times the weight of a Battery (D), and the weight of a Battery (D) is 0.0000820 times that amount.(Alkaline)
A "D" size battery weighs 2,080 grains. The D size battery is the oldest of the modern battery sizes, first invented by the National Carbon Company in 1898.