Grains to Carats


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1/7000 pound; equals a troy grain or 64.799 milligrams

ct =
gr * 0.32399


Abbreviated "ct." and spelled with a "c" is a measure of weight used for gemstones. One carat is equal to 1/5 of a gram (200 milligrams). Stones are measured to the nearest hundredth of a carat. A hundreth of a carat is also called a point. Thus a .10 carat stone can be called either 10 points, or 1/10 of a carat. Small stones like .05, and .10ct are most often referred to by point designations. Note that karat with a "K" is a measure of the purity of a gold alloy. A one carat round diamond of average proportions is approximately 6.5mm in diameter. Note that this relationship of weight and size is different for each family of stones. For example ruby and sapphire are both heavier than diamond (technically, they have a higher specific gravity, so a 1 carat ruby or sapphire is smaller in size than a on carat diamond. See Weights and Measures of Gold, Silver and Precious Gems for more information.

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Granos a Quilates :: Gains en Carats :: Gran in Karat :: Grãos em Quilates :: Grani a Carati :: Granen naar Karaats :: Граны в Караты :: 格令 到 克拉 :: 格令 到 克拉 :: グレーン から カラット :: 그레인에서 캐럿으로 :: Grains till Karat :: Grains (korn) til Karat :: Gran til Karat :: Zrno do Karát :: Grans a Quirats :: Grains (Κόκκοι) για Καράτια :: Grany do Karaty :: Zrno v Karati :: zrno do karát :: Grain to Karát :: Зърна в Карати :: Grãos em Quilates :: Graanit = Karaatit :: Зрна у Карати :: Granai įKaratai :: अनाज से कैरेट को :: Zrna u Karati :: Грань ў караты :: Grein në Karatë :: Грани в Карати :: Cereale în Quilate :: Tera to karaat