How much would 12 to 15 black olives weigh?

The weight of black olives can vary based on their size and variety, but on average, a medium-sized black olive weighs about 4 to 5 grams. Therefore, 12 to 15 black olives would typically weigh between 48 to 75 grams (or approximately 1.7 to 2.6 ounces).