Convert grain to carat (troy)
Here you can quickly calculate how many carat (troy) fit in one grain.
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- scroll: formula · table · questions -
- 1 gr = 0.316092 ct t
- 1 ct t = 3.163633 gr
Conversion from grain to carat (troy) example
- 1 grain = 0.316092 carat (troy)
Grain to carat (troy) conversion table
| grain | carat (troy) |
|---|---|
| 1 | 0.316092 |
| 2 | 0.632184 |
| 5 | 1.580461 |
| 10 | 3.160922 |
| 20 | 6.321845 |
| 50 | 15.804612 |
| 100 | 31.609224 |
Formula to convert grain to carat (troy)
To convert grain to carat (troy), multiply by 0.316092.
1 gr = 0.316092 ct t
Example: 1 grain = 0.316092 carat (troy)
Common mistakes in mass conversion
-
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 to/from carat (troy) conversion quiz
Score:
0
1.9 grain equals 0.601 carat (troy).
Correct answer: 1.9 grain = 0.601 carat (troy).
91 carat (troy) equals 288 grain.
Correct answer: 91 carat (troy) = 288 grain.
36 grain equals 11.4 carat (troy).
Correct answer: 36 grain = 11.4 carat (troy).
12.9 carat (troy) equals 34.7 grain.
Correct answer: 12.9 carat (troy) = 40.8 grain.
169 carat (troy) equals 481 grain.
Correct answer: 169 carat (troy) = 535 grain.