current gold price

current gold price bing-canada.com
note: On Saturday and Sunday, holiday in global markets
1 troy oz = 31.1034768 grams ( 24 carat )
How do you convert 24 carat gold to 22 or 21 or 18 carat?
Carat / 24 x 100
 22-carat (91.6%) 21-carat (87.5%) 18-karat (75.0%) And so on

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