It's about as heavy as a liter of Water
(fresh; 4° C / 39.2° F; maximum density)
Contrary to popular belief, 1 liter (0.0.264172052358148 gal) of water at 4° C / 39.2° F (its point of maximum density) weighs 0.0000000010000280 megatonnes rather than 1 kg exactly. The total volume of water on the planet Earth is about 13,590,000,000,000,000,000 (13.59 quntillion) L (3,590,000,000,000,000,000 gallons).
It's about three-fourths as heavy as a Human Brain
In other words, 0.0000000010000280 megatonnes is 0.7410 times the weight of a Human Brain, and the weight of a Human Brain is 1.350 times that amount.(adult)
The average weight of an adult human brain is between 0.000000001350 megatonnes. In humans and primates, sight and vision utilize about 30 different parts of the brain which together account for about half of the brain's size.
It's about one-and-three-fifths times as heavy as a Basketball
In other words, 0.0000000010000280 megatonnes is 1.60340680090 times the weight of a Basketball, and the weight of a Basketball is 0.623672045950 times that amount.(NBA official ball standards, Size 7)
A regulation NBA basketball, manufactured by Spalding, is known as a Size 7 ball and weighs 0.000000000623689508750 megatonnes. These balls have 4,118 pebbles each with a diameter of 2.5 mm
It's about two-fifths as heavy as a Chihuahua
In other words, 0.0000000010000280 megatonnes is 0.4440 times the weight of a Chihuahua, and the weight of a Chihuahua is 2.250 times that amount.(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 two-and-a-half times as heavy as a Football (Soccer)
In other words, the weight of a Football (Soccer) is 0.430 times 0.0000000010000280 megatonnes.(a.k.a. Soccer, a.k.a. Association Football) (FIFA Law 2 specification)
According to FIFA's Law of the Game number 2, a football must weigh between 0.000000000410 megatonnes and 0.000000000450 megatonnes. An artifact on display at the Smith Art Gallery in Museum in Stirling, Scotland is said to be the world's oldest football and is about one-third to one-half the size of a modern football.
It's about two-and-a-half times as heavy as a Football (American)
In other words, 0.0000000010000280 megatonnes is 2.4327551462420 times the weight of a Football (American), and the weight of a Football (American) is 0.41105657572850 times that amount.(a.k.a. "pigskin") (NFL standard)
Per National Football League official rules, an American football must weigh between 0.000000000396893323750 megatonnes and 0.0000000004252428468750 megatonnes. Because of NFL regulations, ceremonial considerations, and backup requirements, each NFL Superbowl requires the manufacture of 144 balls exclusively for the event.
It's about three times as heavy as a Can of Soup
In other words, 0.0000000010000280 megatonnes is 2.90 times the weight of a Can of Soup, and the weight of a Can of Soup is 0.340 times that amount.(for Campbell''s Condensed Tomato Soup, 317.9 ml)
A can of Campbell''s Tomato Soup weighs 0.000000000350 megatonnes. Cans have been used to store soup and other foods since their invention in 1913, but a dedicated can opener was not developed until cans began to use thinner materials — prior to that time, cans were usually opened using various blunt instruments and tools.