It's about one-seventy-fifth as heavy as a Grain of Sand
In other words, the weight of a Grain of Sand is 77 times 0.00000000000000005850 megatonnes.(medium grain)
With tremendous variety in the size of grain and the component material, grains of sand weigh an average of 0.00000000000000440 megatonnes. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 15.10 m (49.55 ft) in height.
It's about one-sixtieth as heavy as a Sesame Seed
In other words, 0.00000000000000005850 megatonnes is 0.0161 times the weight of a Sesame Seed, and the weight of a Sesame Seed is 62.10 times that amount.(Sesamum indicum)
A sesame seed weighs approximately 0.000000000000003640 megatonnes. The McDonald's Big Mac sandwich, which is well-known for its sesame seed top bun, accounts for the consumption of an estimated 0.000002010 megatonnes of sesame seeds each day.
It's about one-tenth as heavy as a Grain of Sugar
In other words, 0.00000000000000005850 megatonnes is 0.0936 times the weight of a Grain of Sugar, and the weight of a Grain of Sugar is 10.70 times that amount.(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 one-fifth as heavy as a Poppy Seed
In other words, the weight of a Poppy Seed is 5 times 0.00000000000000005850 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 as heavy as a Grain of Salt