How many grams are in a 10-ounce gold bar?


Quick Answer

Depending on the purity, a 10-ounce gold bar may contain between 106.3 (9-karat gold) and 283.5 (24-karat gold) grams of gold. The rest of the mass consists of less-valuable alloy metals such as copper or silver.

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Full Answer

One ounce is equivalent to 28.35 grams; ounces are converted to grams by multiplying by 28.35. The karat is a measure of the proportion of pure gold in a gold alloy. One karat indicates that approximately 4.2 percent of the gold alloy is pure gold. Twenty-four-karat gold is pure gold that contains no alloy metals, while 14-karat gold contains only 58.3 percent pure gold.

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