The 100-oz Bar Is the Most Well-known Dimensions. One particular hundred-ounce .999 great silver bullion bars are a practical way for investors to buy silver. The 100-oz silver bars are uniform in form, which indicates they are easier to stack and shop. Since a one hundred-oz silver bar weighs only 6.86 kilos on a bathroom scale, silver bars are also easy to manage. More, the one hundred-oz silver bars are .999 very good (99.nine% pure), which allows silver bullion traders to keep a excellent volume of wealth in a relative small room. Because 100-oz silver bars are accepted buying and selling units, they are as simply sold, as they are obtained.100-oz silver bars