Scrap Gold Calculator
Scrap gold calculator works out Melt value and Value at the payout entered from Spot price per troy ounce (from your dealer or price feed), Weight and Weight unit. The default figures on this page give value at the payout entered of 3,600.88; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
5 steps
- Gross weight = 100 g = 100 g.
- Fine metal = 100 g x 0.583333 = 58.3333 g.
- Fine metal = 58.3333 g / 31.1034768 g per troy ounce = 1.87546 ozt.
- Melt value = 1.87546 ozt x 2400 = 4501.1.
- Offer at 80% of melt = 4501.1 x 0.8 = 3600.88.
Its 5 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
4 sources
What the scrap gold calculator calculates
Converts a weight and purity of gold, silver, platinum or palladium - or a face value of US silver coin - into fine metal content and its melt value at the spot price you supply, plus a dealer scrap offer at a chosen payout.
How to use this scrap gold calculator
Enter Spot price per troy ounce (from your dealer or price feed), Weight, Weight unit and Purity standard. Melt value updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Melt value, Value at the payout entered and Fine metal fraction.
The method follows NIST Special Publication 811, Guide for the Use of the International System of Units - the 1959 international yard and pound agreement fixes 1 grain = 64.79891 mg exactly, so 1 troy ounce = 480 grains = 31.1034768 g, FTC Guides for the Jewelry, Precious Metals, and Pewter Industries, 16 CFR 23.4 - karat is 1/24 part fine gold, United States Mint, Coin Specifications - weights and compositions of US circulating silver coinage and LBMA precious metal prices - the benchmark the spot price input should be taken from (licensed live data; supply it yourself).
What you can compare
Change one input at a time to see how it affects Melt value, Value at the payout entered and Fine metal fraction. The inputs you can vary are Spot price per troy ounce (from your dealer or price feed), Weight, Weight unit, Purity standard, Karat and Fineness (parts per thousand).
Understanding Melt value, Value at the payout entered and Fine metal fraction
A metal-content valuation only. It uses the spot price you enter, applies no bid/ask spread, refining loss, assay, numismatic premium or tax, and is not an offer or an appraisal.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
See something wrong? Report a problem with this calculator
Frequently asked questions
How much is 1 gram of scrap gold worth?
On the figures this page opens with — spot price per troy ounce (from your dealer or price feed) 2,400 currency/ozt, weight 10 and karat 14 — the value at the payout entered is 3,600.88. No single number fits everyone: change any figure above and the answer updates as you type, with each step of the arithmetic beside it.
What is the current price of scrap gold?
It needs Spot price per troy ounce (from your dealer or price feed), Weight, Weight unit, Purity standard, Karat and Fineness (parts per thousand). Nothing else is required, and the figures stay in your browser.
What is the price of scrap gold right now?
The result gives Melt value, Value at the payout entered, Fine metal fraction, Gross weight, Fine metal content and Price per gram of fine metal, each labelled with its unit so the figure can be read on its own.
How much will a jeweler pay for scrap gold?
The page opens with worked default figures: value at the payout entered of 3,600.88. Replace them with your own and every figure updates as you type.
What information do I need for the scrap gold calculator?
You need Spot price per troy ounce (from your dealer or price feed), Weight, Weight unit, Purity standard, Karat, Fineness (parts per thousand), Purity and US silver coin series. The page opens with default figures that give value at the payout entered of 3,600.88, so you can see the scale before entering your own.
What does this scrap gold calculator show?
It shows Melt value, Value at the payout entered, Fine metal fraction, Gross weight, Fine metal content, Price per gram of fine metal, Melt value per gram of item and Basis, with the working and any warnings for your entries.