How we calculate gold and silver prices

GoldPriceData.com shows gold and silver prices in more than 150 currencies. This page explains where the numbers come from, how we turn them into local prices per gram and per karat, and what they do and don't include.

Where the data comes from

• Spot prices of gold (XAU) and silver (XAG) in US dollars, and the exchange rates of the main currencies, come from a professional real-time market data feed. During market hours, prices on the site update live in your browser, and every page is refreshed within a few minutes.
• Less-traded currencies come from a second exchange-rate data service and are refreshed several times a day.
• Historical charts use daily closing prices from the same market data provider.
• Market hours: the international gold market trades around the clock from Sunday evening to Friday evening (UTC). At weekends and on market holidays, the prices shown are the last prices before the market closed.

How a local price is calculated

1. We start from the spot price of one troy ounce of gold in US dollars.
2. We convert it to the local currency with the current exchange rate.
3. We convert it to the unit you are looking at: 1 troy ounce = 31.1035 grams, 1 kilogram = 32.15 troy ounces, 1 tola = 0.375 troy ounces (11.66 grams).
4. We multiply by the purity of the karat: 24K is treated as pure gold (99.9%), 22K = 91.6%, 21K = 87.5%, 18K = 75%, 14K = 58.5%, 12K = 50%, 10K = 41.7%, 9K = 37.5%.

Silver prices are calculated the same way, with silver purities (999, 958, 925 and so on).

Local market adjustments

For most countries, our prices are international prices converted to the local currency. In a few markets, local prices are consistently higher than the international price because of import duties, taxes or local premiums. For these markets we add a fixed adjustment, so our figures are closer to what local dealers quote:

What our prices don't include

Our prices are for the metal itself. When you buy from a jeweller or a dealer, they usually add:

• Making charges (workmanship) for jewellery, which can add a lot to the price of a piece.
• VAT or sales tax, in countries that charge it on gold.
• The dealer's margin: shops sell above the market price and buy back below it.

That is why the price you pay in a shop is higher than the price shown here, and the price you get when you sell is lower.

Gold price forecasts

Our gold price forecasts are written by AI (Google Gemini) and refreshed every 6 hours. The model receives the live gold price, the US dollar index, US economic data from the Federal Reserve Bank of St. Louis (Fed funds rate, 10-year Treasury yield and inflation) and a summary of recent news. It returns a direction (up, down or neutral) and a price range for the next 30 days, with an explanation. No person reviews each forecast before it is published, and a forecast older than 7 days is taken down. We keep a record of every forecast so that its accuracy can be checked against real prices. Forecasts are not financial advice.

Accuracy and corrections

If a price looks wrong, please tell us, with the page address and the time you saw it. We look into every report and correct mistakes.

Last reviewed: Sunday, 8 November 2026