Convert grain (troy) to carat (troy)
Here you can quickly calculate how many carat (troy) fit in one grain (troy).
Only numbers, with a single decimal separator.
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- scroll: formula · table · questions -
- 1 gr t = 0.316092 ct t
- 1 ct t = 3.163633 gr t
Example: grain (troy) to carat (troy)
- 1 grain (troy) = 0.316092 carat (troy)
Grain (troy) to carat (troy) conversion table
| grain (troy) | carat (troy) |
|---|---|
| 1 | 0.316092 |
| 2 | 0.632184 |
| 5 | 1.580461 |
| 10 | 3.160922 |
| 20 | 6.321845 |
| 50 | 15.804612 |
| 100 | 31.609224 |
Grain (troy) to carat (troy) formula
To convert grain (troy) to carat (troy), multiply by 0.316092.
1 gr t = 0.316092 ct t
Example: 1 grain (troy) = 0.316092 carat (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 grain (troy) and carat (troy) conversion quiz
Score:
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6.6 carat (troy) equals 20.9 grain (troy).
Correct answer: 6.6 carat (troy) = 20.9 grain (troy).
16.1 grain (troy) equals 5.85 carat (troy).
Correct answer: 16.1 grain (troy) = 5.09 carat (troy).
86 grain (troy) equals 27.2 carat (troy).
Correct answer: 86 grain (troy) = 27.2 carat (troy).
9 carat (troy) equals 24.2 grain (troy).
Correct answer: 9 carat (troy) = 28.5 grain (troy).
173 carat (troy) equals 547 grain (troy).
Correct answer: 173 carat (troy) = 547 grain (troy).