Separate pieces by karat before selling so you get paid for each purity correctly. Check the stamp (10K, 14K, 585, 750 …) and get quotes from several buyers – payouts range from about 70% to 95% of melt value.
How to use the Scrap Gold Calculator
- 10K gold weight
- 14K gold weight
- 18K gold weight
- 22K/24K gold weight
- Gold price per troy ounce
- Buyer’s payout
Results update as you type, and every field accepts the units shown in its menu.
How it works
Enter the weight of each karat, the spot gold price and the buyer’s payout percentage.
Tips
- Use your real spending from bank statements rather than guesses.
- Automate savings so they happen before you spend.
- Revisit your plan once a year or after any big life change.
- Keep an emergency fund before investing for long-term goals.
Common mistakes to avoid
- Underestimating irregular expenses such as car repairs, gifts and annual bills.
- Ignoring inflation for long-term goals.
- Taking on high-interest debt to fund wants.
Inputs explained
| Field | What to enter |
|---|---|
| 10K gold weight | Units: grams, troy ounces, ounces (avoirdupois), pennyweights (dwt), tola, kilograms |
| 14K gold weight | Units: grams, troy ounces, ounces (avoirdupois), pennyweights (dwt), tola, kilograms |
| 18K gold weight | Units: grams, troy ounces, ounces (avoirdupois), pennyweights (dwt), tola, kilograms |
| 22K/24K gold weight | Units: grams, troy ounces, ounces (avoirdupois), pennyweights (dwt), tola, kilograms |
| Gold price per troy ounce | Amount in your currency |
| Buyer’s payout | In % |
What each result means
- Pure gold content = [10K gold weight]×0.417 + [14K gold weight]×0.585 + [18K gold weight]×0.75 + [22K÷24K gold weight]×0.916
- Melt value = [Pure gold content]÷31.1034768×[Gold price per troy ounce]
- Expected offer = [Melt value]×[Buyer’s payout]÷100
Example values
How the main result changes when 10K gold weight changes and everything else stays at the example values above:
| 10K gold weight (grams) | Expected offer |
|---|---|
| 2.5 | 588.74 |
| 3.75 | 642.37 |
| 5 | 696 |
| 6.25 | 749.63 |
| 7.5 | 803.25 |
| 10 | 910.51 |
Formula
Pure gold = Σ weight × purityMelt value = pure gold (troy oz) × spot priceOffer = melt value × payout %Worked example
Inputs — 10K gold weight: 5 grams; 14K gold weight: 8 grams; 18K gold weight: 0 grams; 22K/24K gold weight: 0 grams; Gold price per troy ounce: $4,000; Buyer's payout: 80 %.
Results — Pure gold content = 6.765 g; Melt value = $870.00; Expected offer = $696.00.
Frequently asked questions
How much is scrap gold worth?
Its pure gold content × the spot price, minus the buyer's margin.
How do I know the karat?
Look for stamps: 10K/417, 14K/585, 18K/750, 22K/916.
Where can I sell scrap gold?
Refiners, reputable jewellers and coin dealers usually pay more than pawn shops.
What formula does the Scrap Gold Calculator use?
Pure gold = Σ weight × purity.