Pure weight, carats, fineness, troy ounces and the value of your jewellery or bullion at today’s spot price.
Gold jewellery isn’t pure gold: it’s an alloy with other metals. Its purity tells you how much precious metal it contains, in parts per thousand (‰) or, for gold, in carats: 18K is 750, meaning 750 g of gold in every kilo. In the UK, 9K (375) is the most common gold for jewellery, and sterling silver is 925.
The melt value is what the fine gold in the item is worth at the market price: the value of the metal if it were melted down. A gold buyer will pay less, because they keep a margin to refine it and make a profit (usually 10% to 25%). Enter that percentage as the “Dealer’s cut” to see what you should be offered.
If you have several items, add them to the lot to see the total and each item’s breakdown. Download the PDF and take it with you to compare the weight and the price you’re offered.
Fine metal = weight × fineness / 1,000 Melt value = fine metal (g) × price of a gram of pure metal What you’d be paid = melt value × (1 − cut / 100) Carats = fineness × 24 / 1,000 · 1 troy ounce = 31.1034768 g
750 parts per thousand: 75% of the item is pure gold. 24K is 999 (the purest gold traded), 22K is 916, 14K is 585 and 9K is 375.
Look for the hallmark: a number stamped inside the ring or on the clasp (375, 750, 925…). If it only says 9K or 18K, that’s the purity in carats.
The unit precious metals are priced in: 31.1035 grams, a little more than a regular ounce (28.35 g). The gold price you see in the news is per troy ounce of pure gold.
Because this calculator gives the metal’s value at the market price. The buyer deducts their margin, the cost of melting and refining and sometimes doubts about the real purity. Always ask them to weigh the item in front of you.
From the international spot price in US dollars per troy ounce (gold-api.com), converted to euros, dollars or pounds and updated several times a day. You can enter a different price yourself.
No. It’s the melt value of the metal. Branded, antique or diamond jewellery may be worth far more sold as jewellery than as scrap.