Understanding Melt Value

The three inputs

Weight comes first, and it has to be weighed in troy ounces, the standard unit for precious metal, which is heavier than the ordinary avoirdupois ounce used on a kitchen scale. A gram scale avoids the unit confusion entirely, since a gram is a gram either way, and most melt-value calculators accept weight in grams for exactly that reason.

Purity, also called fineness, comes next. Gold purity is usually stamped as a karat mark, 24k for pure gold down through 22k, 18k, 14k, and 10k, or as a three-digit fineness number like 999, 916, 750, 585, or 417, which states the same information as parts per thousand. Silver purity is marked as fine silver at 999, sterling at 925, or, on older American pieces, coin silver at 900. These are standard figures, not estimates, and a genuine mark states the alloy composition directly.

Spot price is the third input and the only one that moves. It is the current market price for a troy ounce of the pure metal, gold or silver, and it changes throughout every trading day. Nothing on this page states a current spot price, because any number printed here would be stale by the time it is read. Look up the live spot price from a current, reputable source before doing any real calculation, and treat any spot price found archived or repeated from an old article as unreliable for that purpose.

Putting the three together

Melt value follows one formula: weight in troy ounces, multiplied by fineness expressed as a decimal, multiplied by the current spot price per troy ounce. the wider guide to collectible gold and silver covers why this number is only one half of what a piece might be worth, but as a standalone calculation it is straightforward once the three inputs are correct.

To make the method concrete, here is a purely hypothetical worked example using a made-up, illustrative spot price rather than any real market figure. Assume, only for this example, a hypothetical gold spot price of 2,000 dollars per troy ounce, a round number chosen for easy arithmetic and not a claim about current gold prices. A one troy ounce piece marked 14k, which is about 58.3 percent gold, would work out to 1 times 0.583 times 2,000, or roughly 1,166 dollars in this hypothetical scenario. Change the assumed spot price and every part of that answer changes with it. This example exists only to show how the three numbers combine. Before applying this method to an actual piece, look up the real, current spot price and use that figure in place of the hypothetical one used here.

Why buyers and refiners pay under melt

A refiner or buyer offering to purchase scrap gold or silver almost never pays the full calculated melt value, and that gap is not automatically a trick. Refining has real costs: separating alloyed metals, assaying the actual purity rather than trusting a stamped mark, handling losses in the refining process itself, and running a business that has to cover overhead and make a margin like any other. A quoted purchase price under melt reflects those costs, not dishonesty by itself.

The size of the gap varies with the buyer, the form of the metal, and how much verification the transaction requires. A large, well-documented lot of coin silver is cheaper to process per ounce than a box of mixed, unmarked jewelry that has to be tested piece by piece. None of this is investment guidance, and this page does not recommend buying, selling, or holding metal as an investment. It explains the arithmetic and the reasons a quoted price sits where it does, nothing more.

What melt value does not tell you

A melt-value calculation says nothing about whether a piece is worth more as a collectible than as metal. A common circulated coin, a plain wedding band, or a set of worn flatware with no distinguishing maker may be worth close to its melt value and nothing more. A rare coin, a signed piece by a known maker, or an object with real provenance can be worth many times its metal content, and calculating melt value for a piece like that before checking its collectible value is how real value gets lost. Collectible versus bullion value covers how to tell the difference before deciding what a piece is actually worth.