Convert carat to grain (troy)
Here you can quickly calculate how many grain (troy) fit in one carat.
Only numbers, with a single decimal separator.
write a number and we convert instantly
- scroll: formula · table · questions -
- 1 ct = 3.086472 gr t
- 1 gr t = 0.323995 ct
Example: carat to grain (troy)
- 1 carat = 3.086472 grain (troy)
Carat to grain (troy) conversion table
| carat | grain (troy) |
|---|---|
| 1 | 3.086472 |
| 2 | 6.172943 |
| 5 | 15.432358 |
| 10 | 30.864717 |
| 20 | 61.729433 |
| 50 | 154.323584 |
| 100 | 308.647167 |
Carat to grain (troy) formula
To convert carat to grain (troy), multiply by 3.086472.
1 ct = 3.086472 gr t
Example: 1 carat = 3.086472 grain (troy)
Common mass conversion mistakes
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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 and grain (troy) conversion quiz
Score:
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22.7 grain (troy) equals 6.25 carat.
Correct answer: 22.7 grain (troy) = 7.35 carat.
52 carat equals 185 grain (troy).
Correct answer: 52 carat = 160 grain (troy).
24.6 grain (troy) equals 7.97 carat.
Correct answer: 24.6 grain (troy) = 7.97 carat.