It's about 55 times as heavy as a Puck (Hockey)
In other words, 0.00000000910 megatonnes is 55.824878911510 times the weight of a Puck (Hockey), and the weight of a Puck (Hockey) is 0.017913160216346 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 one-fifty-fifth as heavy as a Polar Bear
In other words, the weight of a Polar Bear is 56.80 times 0.00000000910 megatonnes.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 0.0000005160 megatonnes. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about one-fifty-fifth as heavy as a Grizzly Bear
In other words, the weight of a Grizzly Bear is 57.10 times 0.00000000910 megatonnes.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 0.0000005210 megatonnes. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about 65 times as heavy as a Baseball
In other words, 0.00000000910 megatonnes is 62.6327909738890 times the weight of a Baseball, and the weight of a Baseball is 0.015966077584135 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 65 times as heavy as a Battery (D)
In other words, 0.00000000910 megatonnes is 67.40 times the weight of a Battery (D), and the weight of a Battery (D) is 0.0148 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 one-seventy-fifth as heavy as a Cow
In other words, the weight of a Cow is 77 times 0.00000000910 megatonnes.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 0.000000680 megatonnes. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about 95 times as heavy as a Deck of Cards
In other words, the weight of a Deck of Cards is 0.01 times 0.00000000910 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.