It's about one-tenth as heavy as a Pig
In other words, 0.0000000300 megatonnes is 0.120 times the weight of a Pig, and the weight of a Pig is 8.30 times that amount.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 0.000000250 megatonnes. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about ten times as heavy as a Brick
In other words, the weight of a Brick is 0.10 times 0.0000000300 megatonnes.(Standard, traditional face brick - 1,900 cu. cm (120 cu. in))
A standard, traditional face brick weighs an average of 0.00000000290 megatonnes. The steeple of the Church of St. Martin in Landshut, Germany is said to be the tallest brick tower in the world at a height of 130.6 m (428.5 ft) and was constructed using an estimated 650,000 bricks.
It's about thirteen-and-a-half times as heavy as a Chihuahua
In other words, the weight of a Chihuahua is 0.0752 times 0.0000000300 megatonnes.(a.k.a. Chihuahue(o) (FCI standard)
The F&d&ration Cynologique Internationale (FCI) calls for Chihuahuas to weigh about 0.000000002250 megatonnes. Relative to their body sizes, Chihuahuas have the largest brain size of any dog breed.
It's about one-fifteenth as heavy as a Horse
In other words, the weight of a Horse is 14 times 0.0000000300 megatonnes.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 0.000000420 megatonnes. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 0.0000000540 megatonnes.
It's about one-fifteenth as heavy as a Grand Piano
It's about one-fifteenth as heavy as a Polar Bear
In other words, the weight of a Polar Bear is 17.20 times 0.0000000300 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-fifteenth as heavy as a Grizzly Bear
In other words, the weight of a Grizzly Bear is 17.40 times 0.0000000300 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).