Start Your Melt Estimate
Enter coin weight, purity, live spot price, fees, and premiums. Results will appear here after pressing the submit button.
Calculator Inputs
Example Data Table
These examples show how different purity levels can affect melt value.
| Coin Type | Weight | Purity | Spot Price | Approx Melt Value |
|---|---|---|---|---|
| 24K Bullion Coin | 1.0000 troy oz | 99.99% | $2,400 | $2,399.76 |
| 22K Crown Gold Coin | 33.93 g | 91.67% | $2,400 | $2,399.88 |
| 90% Historic Coin | 16.72 g | 90% | $2,400 | $1,160.97 |
| Small 21.6K Coin | 7.98 g | 90% | $2,400 | $554.10 |
Formula Used
Weight conversion:
Gross troy ounces = gross weight in grams / 31.1034768
Purity conversion:
Karat purity = karat / 24
Percent purity = percent / 100
Fineness purity = fineness / 1000
Gold content:
Pure gold troy ounces = gross troy ounces × purity decimal × quantity
Melt value:
Total melt value = pure gold troy ounces × gold spot price
Estimated net payout:
Net payout = total melt value + total premium - dealer fee - refining loss amount
How To Use This Calculator
- Enter the coin name or select a preset coin.
- Add the number of coins you want to value.
- Enter the gross weight of one coin.
- Select the correct weight unit.
- Choose karat, percent, or fineness for purity.
- Enter the current gold spot price per troy ounce.
- Add any premium, discount, fee, or refining loss.
- Press the calculate button and review the result above the form.
- Use the CSV or PDF button to save your calculation.
Understanding Gold Coin Melt Value
Gold coin melt value is the bullion value of the gold inside a coin. It does not measure rarity, grade, history, or collector demand. It focuses on metal content only. This makes it useful when comparing offers, checking dealer quotes, or planning a sale.
Why Weight And Purity Matter
A coin can weigh one ounce and still contain less than one ounce of gold. Many classic coins include copper or silver for strength. The calculator converts the gross coin weight into troy ounces. Then it multiplies that weight by the gold purity. A 22 karat coin is about 91.67% gold. A .900 fine coin is 90% gold. Small purity differences can change the melt value a lot.
Spot Price And Market Adjustments
Gold spot price is usually quoted per troy ounce. Your final cash offer may differ from the pure melt figure. Dealers may subtract refining loss, assay risk, shipping, handling, or a business margin. Some coins can trade above melt because buyers like their design, trust, or liquidity. This tool lets you add premiums, discounts, dealer fees, and loss percentages.
Using Melt Value Wisely
Melt value is a baseline, not a final appraisal. A rare coin may be worth much more than metal. A damaged common bullion coin may trade close to melt. Always check coin dates, mint marks, and condition before selling. Compare several buyers if the value is high.
Planning With Better Data
The chart helps show how pure gold value, fees, and premiums shape the final estimate. The CSV download is useful for records or spreadsheet work. The PDF download can support a quick quote sheet. Use fresh spot prices, accurate scales, and verified purity whenever possible. When in doubt, weigh coins separately and test questionable pieces before relying on any estimate.
Practical Example
Suppose a coin weighs 33.93 grams and is .900 fine. Its gold content is 0.981 troy ounce after conversion. If spot gold is 2400 per troy ounce, melt value is about 2354. Add any premium, then subtract fees. This process gives a transparent estimate that is easier to explain. It also reduces guesswork during fast bullion negotiations.
FAQs
1. What is gold coin melt value?
Melt value is the estimated value of the gold metal inside a coin. It ignores rarity, condition, grading, and collector demand. It is mainly a bullion estimate.
2. Does melt value equal selling price?
Not always. A dealer may deduct fees or pay below melt. A popular or scarce coin may sell above melt because buyers value more than metal content.
3. Which weight unit should I use?
Use the unit shown on your scale or coin reference. The calculator accepts grams, troy ounces, standard ounces, pennyweights, and grains.
4. What does fineness mean?
Fineness expresses gold purity in parts per thousand. A coin marked .900 is 900 fine, meaning it contains 90% gold and 10% other metals.
5. Why is troy ounce used?
Precious metals are usually priced in troy ounces. One troy ounce equals 31.1034768 grams, which is heavier than a standard ounce.
6. Should I add a premium?
Add a premium when the coin usually trades above melt. Use a negative premium if the buyer discounts the coin below melt value.
7. Can this calculator value rare coins?
It can estimate metal value, but it cannot judge rarity, grade, provenance, or collector demand. Rare coins need a specialist appraisal.
8. How accurate is the result?
Accuracy depends on weight, purity, and spot price data. Use a precise scale, reliable purity information, and a current market quote.