From 1840 to 1932 the standard weight was 4.18 gm for an uncirculated specimen.
.24187oz
If you mean the US $20 gold coins, each contained .9675 ounce of gold. They were 90% gold.
There are 0.0156 Troy ounces of pure gold in the US $10 gold or 15.0463 grams.
There are 0.1286 ounces in a pennyweight (dwt) of gold.
How many ounces is 3.5 grams of gold?
That is 2.549 ounces
A standard circulating Eisenhower dollar weighs 0.8 ounces.
Gold is measured in troy ounces. As such, 91 grams of gold is equal to about 2.9257 troy ounces.
Since gold is measured in troy ounces, the conversion is: 1 kg = approximately 32.2 troy ounces of gold
29.6220 grams is equal to 1.044885 ounces.
8.4 troy ounces of gold = 261.3 g
10 grams of gold = 0.3215 troy ounces.