All current U.S. $1 coins weigh 8.1 grams.
Coin specifications are no longer given in old English units. Weights and diameters are now both in metric units.
8.1 grams.
The weight is 8.1 grams.
The coin does not weigh an ounce to start with so it can't have any ounces in it.
It's a circulating coin, a dollar
Washington is on the one dollar bill, quarters and the first Presidential 2007 dollar coin.
Susan B. Anthony (1979-81 and 1999), Sacajawea (2000-) and Presidential (2007-) dollar coins all weigh approximately 8.1 grams. Despite the different pictures and metals the coins were designed to be the same size and weight so they could be used interchangeably, especially in vending machines and coin-counters.
It's a Half Dollar NOT a dollar coin. The coin weighs 12.50 grams and contains .36169oz of pure silver.
All "golden" dollar coins weigh 8.1 gm. See the link below for other coins' weights.
The George Washington dollar coin was the first of the Presidential dollar series. It was minted in 2007.
US silver dollars weigh 26.73 grams and contain 90% silver. Do a little math and that converts to 0.7736 troy ounces of silver per silver dollar.
No numismatic value. A dollar for each coin maybe
What you presumably have is a James Buchanan presidential dollar coin. It was minted in 2010 and is worth one dollar.