It's about one-seventy-fifth as heavy as a Compact disc.
It's about one-one-hundredth as heavy as a Mouse.
In other words, 0.20 grams is 0.0095 times the weight of a Mouse, and the weight of a Mouse is 110 times that amount.(a.k.a. "House mouse", Mus musculus) (adult)
The weight of a mouse is typically an average of 12 to 30 g. While most mice typically live two to three years, the Methuselah Mouse Prize — an award administered by a non-profit organization which advances aging-related research — was once awarded to a team of scientists whose research resulted in a mouse living just under five years.
It's about one-one-hundredth as heavy as a Battery (AA).
In other words, 0.20 grams is 0.0083 times the weight of a Battery (AA), and the weight of a Battery (AA) is 120 times that amount.(Alkaline)
An "AA" size battery weighs 24 g. AA batteries came into common use during World War II and were given their name by the American National Standards Institute (ANSI) Committee C18 because they were smaller than the "A" size batteries which were invented first.
It's about one-one-hundred-fiftieth as heavy as a Light Bulb.
In other words, the weight of a Light Bulb is 170 times 0.20 grams.(a.k.a. lamp) (for A19-size, 60w, incandescent bulb by Bulbrite; package weight)
A standard, sixty-watt light bulb weighs about 34 grams. The tightly-coiled filament inside a bulb of this size would measure about 579mm if uncoiled and stretched out.
It's about one-two-hundred-fiftieth as heavy as a Golf Ball.
In other words, 0.20 grams is 0.004354 times the weight of a Golf Ball, and the weight of a Golf Ball is 229.70 times that amount.(per R&A USGA Rules of Golf; maximum rule weight)
According to the Rules of Golf (as approved by the United States Golf Association and the Rules Committee of the Royal and Ancient Golf Club of Saint Andrews), golf balls must weigh no more than 45.93 g. Golf balls are not required to have the familiar dimpled pattern, but the design has been popular since its invention in 1905 because it reduces drag while increasing lift.
It's about one-three-hundredth as heavy as a Tennis Ball.
In other words, 0.20 grams is 0.00347 times the weight of a Tennis Ball, and the weight of a Tennis Ball is 288 times that amount.(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must weigh about 56.0 g to 59.4 g. Competition balls are also tested for bounce height, with the standards requiring that a ball dropped from 254 cm must bounce back to a height of 135 cm to 147 cm.
It's about 300 times as heavy as a Grain of Sugar.
In other words, 0.20 grams is 320 times the weight of a Grain of Sugar, and the weight of a Grain of Sugar is 0.00313 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 0.000625 grams. Sugar consumption varies widely by country; the average citizen of the United States consumes about 61,200 grams of sugar each year.