Gram value tool
Calculate gold value from a gram weight, karat purity, and live spot price before comparing buyer offers.
Live calculator
Karat price board
| Karat | Purity | Price / gram | 10g melt value |
|---|---|---|---|
| 24K | 99.9% | Loading price | Loading price |
| 22K | 91.6% | Loading price | Loading price |
| 21K | 87.5% | Loading price | Loading price |
| 18K | 75.0% | Loading price | Loading price |
| 14K | 58.3% | Loading price | Loading price |
| 10K | 41.7% | Loading price | Loading price |
| 9K | 37.5% | Loading price | Loading price |
| 8K | 33.3% | Loading price | Loading price |
Values use troy-ounce market pricing. One troy ounce equals 31.1034768 grams.
Gram calculator quick answer
A gold gram calculator is for the moment when you already know the weight in grams and need a current dollar value.
The search intent is usually direct: the user has a ring, chain, bracelet, scrap lot, or buyer quote measured in grams. The missing pieces are the karat purity and the live pure-gold price per gram.
This page keeps grams as the default unit so the calculation starts in the same language as most jewelry scales. From there, the result separates melt value from buyer payout so a per-gram offer can be judged clearly.
The general calculator supports every unit, but a gram-focused page can answer the exact phrase users search: gold calculator grams, gold gram calculator, and gold calculator price per gram. Those searches are about quick multiplication after the user already has a gram weight.
That is why the content emphasizes per-gram comparison, scale readings, and the mistake of mixing different karats in one total gram number.
For a 10 gram 14K chain, the calculator treats the item as about 5.83 grams of fine gold because 14K is about 58.3 percent pure. The live pure-gold price per gram is then multiplied by those fine gold grams.
If a buyer quotes a lower cash number, use buyer payout to see the offer as a percentage of melt. That percentage is easier to compare than a raw dollar amount.
Guide
A gold gram calculator is useful when your scale, receipt, pawn quote, or jewelry listing already uses grams. Instead of converting from troy ounces by hand, enter the gram weight, choose the karat, and let the calculator convert live spot price into a melt value.
The important detail is purity. Ten grams of 24K gold is very different from ten grams of 14K or 10K gold. This page keeps grams as the default unit so the first calculation matches the way most jewelry owners weigh rings, chains, bracelets, and scrap lots.
Searches like gold calculator grams, gold gram calculator, and gold calculator price per gram all point to the same task: turn a gram weight into a dollar value. The price-per-gram number is the rate, while the gram calculator multiplies that rate by your item weight.
If the live 14K price per gram is shown in the result panel, a 10 gram 14K item should be close to ten times that 14K per-gram value before buyer payout. That simple cross-check helps catch wrong karat settings and wrong weight entries.
Use the payable gold weight when possible. Stones, watch parts, steel springs, hollow non-gold cores, heavy clasps, and other non-gold material can make the gross gram weight higher than the weight a buyer will actually pay as gold.
For mixed lots, do not enter one combined gram weight under one karat. A 6 gram 10K ring and a 12 gram 18K chain should be calculated separately because the pure gold grams are different.
A 10 gram 14K item contains about 5.83 grams of pure gold because 14K is roughly 58.3 percent gold. The calculator multiplies those fine gold grams by the live pure-gold price per gram to estimate melt value.
If a buyer offers cash for the item, compare the offer with that melt value as a percentage. A quote that looks small in dollars may be reasonable for a tiny low-karat item, while a low percentage on a heavier 14K or 18K lot may deserve another quote.
Grams are the easiest unit for most people, but a jeweler, pawn shop, or refiner may quote pennyweight, troy ounces, or standard ounces. The unit matters because one pennyweight is about 1.555 grams and one troy ounce is 31.1034768 grams.
If a buyer quote uses dwt or troy ounces, switch the calculator unit to match the quote before judging the number. Comparing a gram quote with a pennyweight quote without conversion can make a fair offer look wrong.
FAQ
Enter the gram weight, choose the karat, and use the live spot price. The calculator converts spot price to pure gold price per gram and applies the selected purity.
Not exactly. Gold price per gram is the rate. A gold gram calculator multiplies that rate by the item weight and karat purity.
Yes. Select 14K and enter the gram weight. The result uses about 58.3 percent purity before showing melt value.
Yes. Select 18K to apply 75 percent purity to the gram weight and estimate current melt value.
No when you are estimating metal value. Stones and non-gold parts can overstate the payable gram weight.
Compare the buyer per-gram quote with the matching karat melt value per gram, then calculate the offer as a percentage of melt.
Yes. One troy ounce is 31.1034768 grams, which is the market unit used for gold spot price.
For now, calculate each karat group separately and add the totals. This keeps 10K, 14K, and 18K weights from being averaged incorrectly.
GoldCalc provides spot-based estimates for educational and planning purposes. Actual buyer offers can vary based on testing, weight deductions, refining costs, local market conditions, gemstones, brand value, and buyer margin.