Gold Melt Calculator

The calculation relies on three main variables: item weight, metal purity expressed in karats, and the current spot market price of fine gold. Purity is determined by dividing the karat value by 24, since 24-karat represents 100% pure gold. The possession value formula is expressed as: Possession Value = Weight multiplied by (Purity Percentage) multiplied by Market Price. Additionally, dealers often apply a spread percentage, generating a Bid Value (what a dealer pays you) and an Ask Value (what a dealer charges to sell), calculated by adjusting the possession value up or down by the specified spread margin.

Imagine you own a 14-karat gold ring weighing 15 grams, and the current market spot price for pure gold is set at $65 per gram. First, determine the purity percentage: 14 divided by 24 equals approximately 58.33%. Next, multiply the item's weight by this purity percentage and the market price: 15 grams multiplied by 0.5833 multiplied by $65, which yields a total possession melt value of $568.74. If a local gold buyer operates with a standard 10% spread, the bid value they pay you would be 90% of that total, resulting in a cash offer of approximately $511.87.

Always weigh your items in grams using a calibrated digital scale before visiting a buyer to prevent discrepancies. Remember that troy ounces and standard metric grams are different units; ensure your market price matches your chosen weight unit. Finally, shop around and compare the spread percentages offered by multiple jewelers or refiners to secure the highest possible return on your investment.