Free precious metal calculator
Gold Value Calculator
Estimate melt value for gold jewelry, scrap gold, coins, or bullion. This page focuses on the formula behind gold value: weight, purity, and spot price.
Gold value formula
Weight in troy ounces multiplied by karat purity multiplied by spot price equals estimated gold value.
Best for
Quick checks before selling, comparing buyer quotes, valuing inherited pieces, or learning how karat changes the final estimate.
Related tool
For live pricing and multiple item calculations, use the main Gold Calculator.