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Blog · October 28, 2026

Gold price: ounce, gram or kilo?

The gold price is quoted sometimes per ounce, sometimes per gram, sometimes per kilo — and that is the first source of confusion for anyone looking to sell. Same metal, same market rate, three very different numbers. Here is how to convert between them without getting it wrong.

Why gold is quoted in troy ounces

On international markets, gold trades in troy ounces, a unit inherited from the precious metals trade. Careful: a troy ounce weighs about 31.103 grams — not 28.35 like a regular ounce. Mixing up the two throws every calculation off by about 10%.

Converting ounces to grams (and back)

The rule: price per gram = price per ounce ÷ 31.103. Gold at $5,600 CAD per ounce therefore corresponds to roughly $180 per gram. Going the other way, multiply by 31.103. This is the conversion to make before comparing anything, because your jewellery will be weighed in grams during an evaluation — never in ounces.

The kilo: the ingot unit

The "per kilo" price (1,000 grams) is mostly used for ingots and wholesale trading. Same logic: price per gram × 1,000. An impressive number, but not one that applies to selling jewellery at retail.

The two other traps: currency and purity

The world price is quoted first in US dollars; converted to Canadian dollars, the number rises substantially depending on the exchange rate. Always check the currency before comparing. And remember that any quoted rate refers to pure gold: for jewellery, you still need to multiply by the alloy's gold content, as explained in our article 10K gold price per gram in Canada.

Where to follow the rate with no conversion needed

Our homepage displays the gold and silver market rate in Canadian dollars, already converted per gram, ounce and kilo — and our calculator multiplies by weight for you. To understand how to read these numbers in depth, see Gold price today in Canada: how to read the market rate.

And to go from theory to a real offer: free evaluation, in front of you, by appointment — contact us.

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