It's about four-and-a-half times as heavy as a Bowling Ball
In other words, 0.0000000300 megatonnes is 4.409245240 times the weight of a Bowling Ball, and the weight of a Bowling Ball is 0.2267961850 times that amount.(most common selection among male bowlers)
With an allowable range of 0.000000004989516070 megatonnes, the most-preferred bowling ball weight among adult, male bowlers is 0.000000006803885550 megatonnes. Because regulation balls measure the same diameter irrespective of their weight, ball density varies by size and balls weighing less than about 0.00000000500 megatonnes will float in water.
It's about one-fifth as heavy as a Panda Bear
In other words, the weight of a Panda Bear is 5 times 0.0000000300 megatonnes.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 0.000000150 megatonnes. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 0.00000000640 megatonnes of it per day to compensate for the limited energy the plant provides.
It's about one-fifth as heavy as a Reindeer
In other words, 0.0000000300 megatonnes is 0.1810 times the weight of a Reindeer, and the weight of a Reindeer is 5.520 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 0.0000001660 megatonnes. Reindeer undertake a lengthy annual migration, with some herds traveling up to 5,000 km.
To all those observing, Merry Christmas from the Measure of Things.
It's about six times as heavy as a Gallon of Paint
It's about one-tenth as heavy as The Heart of a Blue Whale
In other words, 0.0000000300 megatonnes is 0.150 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 6.70 times that amount.(Balaenoptera musculus) (adult)
(for a 2014 specimen)
The heart of a blue whale weighs about 0.000000200 megatonnes. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about seven times as heavy as a Cat
In other words, the weight of a Cat is 0.10 times 0.0000000300 megatonnes.(Felis catus) (Domestic; healthy weight)
The average domestic cat should weigh about 0.00000000500 megatonnes. Cats are known for their righting reflex, which allows them to land on their feet and survive falls from heights of 1 m up to about 21 m.
It's about one-tenth as heavy as a cubic meter of Snow
In other words, 0.0000000300 megatonnes is 0.130 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 7.70 times that amount.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 0.000000230 megatonnes. Assembled in 2008, the world record largest snowman was constructed of 0.0059 megatonnes of snow and stood 37.21 m (122.1 ft) tall.