Penny - 2.5 gm (1982 and later); 3.11 gm before that
Nickel - 5.00 gm
Dime - 2.27 gm
Quarter - 5.67 gm
Half dollar - 11.34 gm (1971 and later)
"Golden" dollar - 8.1 gm
From 1965 to date, U.S. quarters weigh 5.67 grams.
8.1 grams.
All US Nickels weigh the same, 5 grams.
All US 20 Dollar gold coins have a weight of 33.436 grams.
A £1 coin weighs approximately 9.5 grams.
As issued, the coins weigh 26.73 grams.
200 US Kennedy half dollars weigh approximately 7.12 pounds. Each Kennedy half dollar coin weighs about 11.34 grams.
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11.340 g
A circulating copper-clad Ike dollar weighs 22.68 grams (or slightly less if it's visibly worn).
A 5 cent coin typically weighs about 5 grams.
The weight of the coin as issued is 2.5 grams.