Scrap Gold Calculator

Use this calculator to estimate scrap gold value from weight, purity, and spot price. It is useful for old jewelry, mixed items, melt checks, and rough buyer comparisons.

Calculate scrap gold value

Enter the item details below, then click the button to estimate scrap gold melt value.

Use a decimal ratio, percent, or karat value.

Result

Enter the item details and click Calculate Gold Scrap Value.

Tools that make scrap gold valuation easier

Basic tools can improve weight and purity assumptions and make scrap gold estimates more reliable.

Digital gram scales

A digital gram scale gives you a cleaner starting weight, which matters when you are checking small rings, chains, or mixed scrap where a small difference can change the scrap value estimate.

View digital gram scale listings on eBay

Gold testing kits

A gold testing kit helps when the marked karat is missing, worn, or doubtful. It gives you a better purity assumption before you rely on a scrap gold melt estimate.

View gold testing kit listings on eBay

Jeweler’s loupes

A jeweler’s loupe makes it easier to inspect karat stamps, worn markings, hallmarks, and surface details before estimating scrap gold value from purity and weight.

View jeweler’s loupe listings on eBay

Test magnets

A simple test magnet can help you quickly rule out some obvious non-gold items before spending more time weighing or testing them. It is not a final gold test, but it can be a useful first filter.

View test magnet listings on eBay

Acid test kits

An acid test kit can help you check whether an item matches its claimed karat range when visual marks are unclear. This can improve the quality of your purity estimate before using the calculator.

View acid test kit listings on eBay

Jewelry scales

A jewelry scale is useful when you want a compact tool for weighing small gold items more precisely than a standard household scale. Better weight input usually means a better scrap gold estimate.

View jewelry scale listings on eBay

FAQ

What does scrap gold value mean?

Scrap gold value means the estimated value of the gold content in an item based on its weight, purity, and the current gold spot price. Scrap gold value refers to raw metal value only, not the final offer a gold buyer may pay.

Does 24K mean pure gold?

Yes, 24K means pure gold for practical purposes. 24K gold is considered the highest standard of gold purity and is close to 100% pure gold. Lower purities such as 18K, 14K, and 10K contain less gold, so they have a lower scrap gold value.

Why is a troy ounce used for gold prices?

A troy ounce is used for gold prices because gold is traded and priced in the precious metals market using the troy weight system. The troy ounce became the standard unit for gold so prices can be quoted, compared, and traded consistently worldwide. A troy ounce is heavier than a standard ounce, which is why gold prices use troy ounces and not regular ounces.

What units does the scrap gold calculator support?

The scrap gold calculator supports milligrams, grams, pennyweight (dwt), grains, ounces, troy ounces, and kilograms. These units are automatically converted so you can estimate scrap gold value using different weight measurements.

What is the difference between ounces and troy ounces?

The difference between ounces and troy ounces is that a standard ounce weighs 28.3495 grams, while a troy ounce weighs 31.1035 grams. A standard ounce is used in the everyday avoirdupois system, but a troy ounce is used for gold, silver, and other precious metals.

How many grains are in a troy ounce of gold?

There are 480 grains in a troy ounce of gold. If you enter gold weight in grains, the calculator converts grains into troy ounces before calculating scrap gold value.

How many pennyweights are in a troy ounce?

There are 20 pennyweights in a troy ounce. Pennyweight, also written as dwt, is a traditional unit that is still used in jewelry and precious metal buying.

Can I calculate scrap gold value in milligrams?

Yes, you can calculate scrap gold value in milligrams. The calculator accepts milligrams and converts milligrams into troy ounces so the scrap gold value can be estimated correctly.

Why is my scrap gold payout lower than the melt value?

Your scrap gold payout is lower than the melt value because a gold buyer does not usually pay the full raw metal value. Scrap gold payouts are often reduced by refining costs, dealer margins, testing costs, and resale risk.

What should I do if I do not know the purity of my gold?

If you do not know the purity of your gold, you should first check the item for a gold purity stamp such as 24K, 18K, 14K, or 10K. If there is no visible stamp, you can use a gold testing kit or ask a professional to test the gold before estimating scrap gold value.

Does this calculator work for old jewelry and mixed gold items?

Yes, this calculator works for old jewelry and mixed gold items. To calculate scrap gold value correctly, you need to enter the correct weight and purity. If your old jewelry or mixed gold items have different purities, it is better to calculate each group separately.