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Convert carat (troy) to grain

Here you can quickly calculate how many grain fit in one carat (troy).
write a number and we convert instantly
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- scroll: formula · table · questions -

  • 1 ct t = 3.163633 gr
  • 1 gr = 0.316092 ct t

Example: carat (troy) to grain

  • 1 carat (troy) = 3.163633 grain

Carat (troy) to grain conversion table

carat (troy) grain
1 3.163633
2 6.327267
5 15.818167
10 31.636335
20 63.272669
50 158.181673
100 316.363346

Carat (troy) to grain formula

To convert carat (troy) to grain, multiply by 3.163633.

1 ct t = 3.163633 gr
Example: 1 carat (troy) = 3.163633 grain

Common mass conversion mistakes

  • 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.

Quick carat (troy) and grain conversion quiz

Score: 0

11.7 carat (troy) equals 31.5 grain.

Correct answer: 11.7 carat (troy) = 37 grain.

9 carat (troy) equals 28.5 grain.

Correct answer: 9 carat (troy) = 28.5 grain.

9.3 carat (troy) equals 26.5 grain.

Correct answer: 9.3 carat (troy) = 29.4 grain.

More mass conversions