Precious metals intelligence

Troy Ounce vs Gram

Bullion is priced by the troy ounce in most markets. Knowing how a troy ounce relates to grams and kilograms prevents pricing mistakes.

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Conversions

One troy ounce equals 31.1035 grams. One kilogram equals 32.1507 troy ounces. A standard 400-ounce London Good Delivery bar weighs about 12.4 kilograms.

Why it matters

European, Asian, and gram-based retail markets often quote in grams. Compare per-troy-ounce delivered cost to avoid apples-to-oranges errors.

Track cleanly

Record weight in a single unit per row, then convert when needed. Mixing units inside a portfolio invites errors that no chart can fix.

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Disclosure

APMEX

Broad bullion catalog

Coins, bars, and market references.

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JM Bullion

Retail bullion pricing

Useful for comparing product premiums.

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SD Bullion

Dealer quote check

Good for bid, ask, and spread discipline.

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Money Metals

Bullion and storage context

Useful for physical-market terms.

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Sponsored/affiliate links may earn commission. Confirm dealer terms, taxes, shipping, storage, and account fit before using a quote.

Data and financial disclosure

MetalBrief publishes market information, tools, indicators, and educational context, not account-specific investment, legal, tax, or financial advice. FX conversions, macro proxies, headlines, RSI, support, resistance, and opportunity scores are derived unless labeled as market data.