It's about 1,500,000 times as heavy as a Battery (C)
In other words, the weight of a Battery (C) is 0.000000710 times 100 tons.(Alkaline)
A "C" size battery weighs 0.0000720 tons. C batteries are typically used in medium-drain devices such as musical instruments.
It's about 1,500,000 times as heavy as a Tennis Ball
In other words, 100 tons is 1,570,000 times the weight of a Tennis Ball, and the weight of a Tennis Ball is 0.0000006370 times that amount.(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must weigh about 0.00006360 tons. 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 2,000,000 times as heavy as a Golf Ball
In other words, 100 tons is 1,975,000 times the weight of a Golf Ball, and the weight of a Golf Ball is 0.00000050630 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 0.000050630 tons. 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 2,500,000 times as heavy as a Light Bulb
In other words, the weight of a Light Bulb is 0.000000370 times 100 tons.(a.k.a. lamp) (for A19-size, 60w, incandescent bulb by Bulbrite; package weight)
A standard, sixty-watt light bulb weighs about 0.0000380 tons. The tightly-coiled filament inside a bulb of this size would measure about 579mm if uncoiled and stretched out.
It's about 4,000,000 times as heavy as a Battery (AA)
In other words, 100 tons is 3,800,000 times the weight of a Battery (AA), and the weight of a Battery (AA) is 0.000000260 times that amount.(Alkaline)
An "AA" size battery weighs 0.0000260 tons. 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 4,500,000 times as heavy as a Mouse
In other words, the weight of a Mouse is 0.000000230 times 100 tons.(a.k.a. "House mouse", Mus musculus) (adult)
The weight of a mouse is typically an average of 0.0000230 tons. 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 6,000,000 times as heavy as a Compact disc