What does one ounce gold means?

One ounce means 28.3495231 grams, so one ounce gold equals to 28.3495231 grams of gold. Ounce as a weight unit is accepted by United States and countries of the 'Commonwealth Nations' with India being one of them. The term ounce is hardly used in India for measuring quantity of gold, Indians prefer using the term tola to measure quantity of gold. To know more about tola click here.