Gold Value Calculator
Weigh the piece, check the karat stamp (10K, 14K, 18K), and enter today's spot price. The result is the value of the pure gold inside.
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Example price from October 27, 2026. Prices change all day; enter today's spot price for an accurate value.
Melt value
Gold price per gram by karat
| Karat | Gold content | Per gram | Per pennyweight | Per troy ounce |
|---|---|---|---|---|
| 24k | 99.9% | $130.32 | $202.68 | $4,053.54 |
| 22k | 91.7% | $119.59 | $185.98 | $3,719.60 |
| 18k | 75.0% | $97.84 | $152.16 | $3,043.20 |
| 14k | 58.5% | $76.32 | $118.68 | $2,373.70 |
| 10k | 41.7% | $54.40 | $84.60 | $1,692.02 |
At a spot price of $4,057.60 per troy ounce (October 27, 2026). Buyers usually pay 70–90% of melt value.
By karat
Questions
How is gold value calculated?
Melt value = weight in troy ounces × purity × spot price. A troy ounce is 31.10 grams.
Why will a buyer pay less than melt value?
Refiners and dealers charge for testing, refining and profit, so offers are usually 70–90% of melt value.