It's about one-forty-five-thousandth as heavy as a Cow
In other words, the weight of a Cow is 45,000 times 0.0000000000150 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 50,000 times as heavy as a Poppy Seed
In other words, the weight of a Poppy Seed is 0.0000200 times 0.0000000000150 megatonnes.(Papaver somniferum)
Fifty percent oil by weight, a poppy seed weighs approximately 0.000000000000000300 megatonnes. The true pigment of a poppy seed is brown in color, while the characteristic bluish color is an optical illusion caused by a layer of calcium oxalate crystals refracting light rays.
It's about one-one-hundred-thousandth as heavy as a Car
In other words, 0.0000000000150 megatonnes is 0.000009080 times the weight of a Car, and the weight of a Car is 110,100 times that amount.(for 2009 Ford Taurus) (curb weight)
A 2009 Ford Taurus weighs 0.0000016520 megatonnes. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 0.0000003860 megatonnes.
It's about one-one-hundred-fifty-thousandth as heavy as a Giraffe
In other words, 0.0000000000150 megatonnes is 0.000007770 times the weight of a Giraffe, and the weight of a Giraffe is 129,000 times that amount.(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
An adult, male giraffe can weigh up to 0.000001930 megatonnes. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about one-one-hundred-fifty-thousandth as heavy as a Rhinoceros
In other words, the weight of a Rhinoceros is 140,000 times 0.0000000000150 megatonnes.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 0.00000210 megatonnes. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about one-two-hundred-thousandth as heavy as The Tongue of a Blue Whale
In other words, 0.0000000000150 megatonnes is 0.00000560 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 180,000 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 0.00000270 megatonnes. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about one-two-hundred-fifty-thousandth as heavy as a Hippopotamus
In other words, the weight of a Hippopotamus is 250,000 times 0.0000000000150 megatonnes.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 0.000003750 megatonnes. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).