Is 0.00000320 megatonnes as heavy as a Hippopotamus?
It's about four-fifths as heavy as a Hippopotamus
The weight of a Hippopotamus is about 0.00000380 megatonnes.
(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 0.00000380 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).
There's more! See other comparisons to 0.00000320 megatonnes...