Live bullion calculator

Know the metal value before you buy or sell.

Enter a bar or coin weight, choose the purity, or use known fine metal content. AgAu.ai calculates the live gold or silver spot value and shows the premium or discount against the price you are researching.

Live spot reference

Currency

Gold / Troy oz Loading… Gold / gramLoading…

Silver / Troy oz Loading… Silver / gramLoading…

Price being asked or offered GBP £

Add the buy price, dealer quote or private sale price to calculate premium/discount to spot.

Connecting to live spot feed…

Valuation input

Use gross weight and purity, or switch on fine-content mode.

Common sizes

Gross weight

Weight unit

Purity / fineness

Custom fineness Enter as 999.9, 916.7, 925, 750 etc.

I already know the fine metal content Useful for sovereigns, pre-decimal coins, scrap lots and listed fine-weight bullion.

Fine metal content

Fine content unit

Live valuation

Intrinsic metal value, before postage, VAT, dealer spread or collectable premium.

Spot metal value

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Enter a weight to calculate value.

Premium / Discount —

Against spot —

Fine metal content —

Purity used —

Spot per Troy oz —

Spot per gram —

Spot value is the melt/fine-metal value. Real-world buy and sell prices can differ because of dealer margin, VAT treatment, delivery, condition, rarity and market demand.

For information only. Metal spot comes from a live USD spot feed and non-USD values are converted using a daily FX reference. This calculator does not provide financial advice, tax advice, or a buy/sell recommendation.