It's about 0.0000005 times as heavy as The Eiffel Tower
In other words, 0.00000000500 megatonnes is 0.0000004950 times the weight of The Eiffel Tower, and the weight of The Eiffel Tower is 2,020,000 times that amount.(a.k.a. La Tour Eiffel) (Paris, France) (total weight)
The Eiffel Tower weighs approximately 0.0101 megatonnes. Architected to be quickly assembled, the Tower contains only 930 cu. meters of solid material.
It's about 0.0000004 times as heavy as The Brooklyn Bridge
In other words, 0.00000000500 megatonnes is 0.00000037540 times the weight of The Brooklyn Bridge, and the weight of The Brooklyn Bridge is 2,664,000 times that amount.(a.k.a. New York and Brooklyn Bridge) (Manhattan and Brooklyn, New York City, New York) (total weight)
The total weight of the Brooklyn Bridge is approximately 0.01332 megatonnes. In a promotional event to prove the bridge's stability shortly after it opened, entertainer P. T. Barnum led a parade of 21 elephants across it in May of 1884.
It's about 0.0000002 times as heavy as The Statue of Liberty
In other words, 0.00000000500 megatonnes is 0.0000002030 times the weight of The Statue of Liberty, and the weight of The Statue of Liberty is 4,930,000 times that amount.(a.k.a. Liberty Enlightening the World, a.k.a. La Liberté éclairant le monde) (total weight, including foundation)
The total weight of the Statue of Liberty, including her base is roughly 0.0246 megatonnes. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about 8,000,000 times as heavy as a Grain of Sugar
In other words, the weight of a Grain of Sugar is 0.0000001250 times 0.00000000500 megatonnes.(a.k.a. white sugar, a.k.a. white refined sugar, a.k.a. table sugar, a.k.a. sucrose, a.k.a. saccharose)
A grain of sugar weighs approximately 0.0000000000000006250 megatonnes. Sugar consumption varies widely by country; the average citizen of the United States consumes about 0.00000006120 megatonnes of sugar each year.
It's about 15,000,000 times as heavy as a Poppy Seed
In other words, the weight of a Poppy Seed is 0.0000000590 times 0.00000000500 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 0.00000004 times as heavy as The CN Tower
In other words, 0.00000000500 megatonnes is 0.0000000424050 times the weight of The CN Tower, and the weight of The CN Tower is 23,582,000 times that amount.(a.k.a. La Tour CN, a.k.a. Canadian National Tower, a.k.a. Canada's National Tower) (Toronto, Canada)
The CN Tower weighs approximately 0.117910 megatonnes. The Tower is home to the world's highest glass floor — a viewing area that allows visitors to look straight down 342 m (1,120 ft) to the ground below.
It's about 0.00000003 times as heavy as The Sears Tower
In other words, 0.00000000500 megatonnes is 0.000000024780 times the weight of The Sears Tower, and the weight of The Sears Tower is 40,360,000 times that amount.(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 0.20180 megatonnes. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.