How many oz of golds make 1 karat?

One karat is equivalent to 1/24th of the total weight of a gold alloy, meaning that pure gold (24 karat) contains 1 ounce of gold in 1 karat. Therefore, 1 karat of gold would be approximately 0.0417 ounces. This means that if you have a piece of gold jewelry marked as 18 karat, it contains 18 parts gold out of 24, or 75% gold content.