How much gold is in gold filled?

Gold filled is a layered metal that must contain 5% karat gold by weight. The karatage of the gold content may range between 10kt

• 18kt so the amount of pure gold will depend on the karatage. The

most common gold filled in the US is 14kt gold-filled denoted as 14/20 GF on most hallmarks to indicate 14kt gold that is 1/20 by weight, or 5%. To calculate pure gold content take 5% of 14/24 (for 14 out of 24 karats in pure gold) = 2.92% pure gold.

Gold filled is not an alloy. It is a layered product with all the gold on the surface. It helps to understand gold-filled construction in order to accurately describe the product and care for it.