Convert grain to carat

Here you can quickly calculate how many carat fit in one grain.

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Example: grain to carat

Starting value Increment Accuracy

To convert grain to carat, multiply by 0.323995.

1 gr = 0.323995 ct

Example: 1 grain = 0.323995 carat

The carat used for gemstones is a unit of mass: exactly 0.2 g, so a 5-carat diamond weighs 1 gram. The karat used for gold is something else entirely, a purity scale where 24k is pure gold and 18k is 75% gold. The two cannot be converted into each other.

Score: 0

23 carat equals 60.3 grain.

Correct answer: 23 carat = 71 grain.

65 grain equals 21.1 carat.

Correct answer: 65 grain = 21.1 carat.

86 carat equals 305 grain.

Correct answer: 86 carat = 265 grain.

9.7 carat equals 29.9 grain.

Correct answer: 9.7 carat = 29.9 grain.