It's about three times as heavy as a sheet of Paper.
In other words, the weight of a sheet of Paper is 0.30 times 230 grains.(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
The weight of a ream (500 sheets) of 100,000 grains, 8.5 inch x 11 inch paper is 30,000 grains, each sheet weighing 80 grains. Paper of this size has a thickness of 0.004 caliper (0.1 mm).
It's about one-third as heavy as a Golf Ball.
In other words, 230 grains is 0.32450 times the weight of a Golf Ball, and the weight of a Golf Ball is 3.082 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 708.80 grains. 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 three-and-a-half times as heavy as a Die (Dice).
In other words, the weight of a Die (Dice) is 0.280 times 230 grains.(for six-sided, 16 mm, rounded cube)
A die, of the size most commonly used in board games and casinos, typically weight 63 grains. The use of dice and dice-like tools predates written history, with the oldest known examples belonging to a 5,000-year old backgammon set uncovered during an archaeological dig in modern-day Iran.
It's about one-fourth as heavy as a Tennis Ball.
In other words, 230 grains is 0.2580 times the weight of a Tennis Ball, and the weight of a Tennis Ball is 3.880 times that amount.(ITF Standard; for Type 2 ball)
Per International Tennis Federation standard, regulation tennis balls must weigh about 890 grains. 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 one-fourth as heavy as a Battery (C).
In other words, 230 grains is 0.230 times the weight of a Battery (C), and the weight of a Battery (C) is 4.30 times that amount.(Alkaline)
A "C" size battery weighs 1,000 grains. C batteries are typically used in medium-drain devices such as musical instruments.
It's about six times as heavy as a Penny.
In other words, the weight of a Penny is 0.170 times 230 grains.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 39 grains. According to a 2010 report by the United States Mint, the cost of manufacturing and distributing a penny is $0.0179 — more than its face-value.
It's about one-fifth as heavy as a Deck of Cards.
In other words, 230 grains is 0.160 times the weight of a Deck of Cards, and the weight of a Deck of Cards is 6.30 times that amount.(ISO 216 B8 size, a.k.a. "poker size" 63 x 88 mm, 52-card deck)
A deck of 52 ISO 216 B8-size playing cards weighs 1,500 grains. Utilizing nearly 3,700 decks, the record-holding largest card tower was built in early 2010, stood over 3.5 m (11 ft), and weighed over 3,500,000 grains.