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Grains to Carats

Type a value in gr and the ct equivalent appears instantly.

gr

How to convert gr to ct

Multiply the gr value by 0.32399455.

1 gr = 0.32399455 ct

Quick conversion table

grct
10.32399455
20.6479891
51.619973
103.239945
206.479891
5016.199727
10032.399455
500161.9973
1000323.9946

About the units

Grains (gr): The old apothecary unit: exactly 64.79891 mg. Bullets, arrows and gunpowder are still measured in grains.

Carats (ct): Exactly 200 mg. Gemstones and diamonds; not to be confused with karat, the gold purity measure.