2000 grams (or 2 kilograms) is equal to 64.3015 troy ounces.
5.78 grams = about 0.186 troy ounces.
0.41796 troy ounces.
No. 29 grams is 1.02 ounces. However, 32 grams is close to a TROY ounce (1.028 troy oz). Troy ounces and troy pounds are used to weigh precious metals (think of gold) and are a different weight than standard ounces
400 troy ounces = 12,441.39 grams
The weight of a roll of US Cents depends upon the year the cent was made. Indian Head cents minted from 1859 to early 1864 weigh 4.67 grams each or a roll would weigh 233.5 grams or 7.51 troy ounces. Cents minted from later 1864 through early 1982 weighed 3.11 grams each or a roll would weigh 155.5 grams or 5.0 troy ounces. The exception to this is the 1943 Zinc coated steel cent which weighed 2.70 grams each or a roll would weigh 135.0 grams or 4.34 troy ounces. Cents minted from later 1982 to 2009 weigh 2.5 grams each or a roll would weigh 125 grams or 4.02 troy ounces.
7 grams is 0.225055 troy ounces.
Five grams is 0.16075 troy ounces.
861 grams = 27.68 troy ounces.
154.02 grams is 4.95186 troy ounces.
78 grams is 2.5078 troy ounces.
125 grams or 4.02 troy ounces.
Divide grams by 31.1 to get troy ounces. So, 537/31.1 = about 17.267 troy ounces.