Convert Carats to Stones
1 carat = 0.00003149461 stones. Type any value below to convert in either direction — the calculation happens in your browser.
Carats to Stones formula
Multiply the number of carats by 0.00003149461 to get stones.
stones = carats × 0.00003149461
To go the other way: divide the number of stones by 0.00003149461, or multiply by 31751.47.
carats = stones ÷ 0.00003149461
Carats to Stones conversion table
| Carats | Stones |
|---|---|
| 1 ct | 0.00003149461 st |
| 2 ct | 0.00006298922 st |
| 3 ct | 0.00009448383 st |
| 4 ct | 0.0001259784 st |
| 5 ct | 0.000157473 st |
| 6 ct | 0.0001889677 st |
| 7 ct | 0.0002204623 st |
| 8 ct | 0.0002519569 st |
| 9 ct | 0.0002834515 st |
| 10 ct | 0.0003149461 st |
| 15 ct | 0.0004724191 st |
| 20 ct | 0.0006298922 st |
| 25 ct | 0.0007873652 st |
| 30 ct | 0.0009448383 st |
| 40 ct | 0.001259784 st |
| 50 ct | 0.00157473 st |
| 75 ct | 0.002362096 st |
| 100 ct | 0.003149461 st |
| 250 ct | 0.007873652 st |
| 500 ct | 0.0157473 st |
| 1,000 ct | 0.03149461 st |
Stones to Carats conversion table
| Stones | Carats |
|---|---|
| 1 st | 31,751.47 ct |
| 2 st | 63,502.93 ct |
| 3 st | 95,254.4 ct |
| 4 st | 127,005.9 ct |
| 5 st | 158,757.3 ct |
| 6 st | 190,508.8 ct |
| 7 st | 222,260.3 ct |
| 8 st | 254,011.7 ct |
| 9 st | 285,763.2 ct |
| 10 st | 317,514.7 ct |
About the carat
A metric carat is exactly 200 milligrams and is the mass unit for gemstones and pearls.
About the stone
A stone is 14 pounds, about 6.35 kilograms, and is still how body weight is quoted in the United Kingdom and Ireland.
Frequently asked questions
How many stones are in a carat?
There are 0.00003149461 stones in one carat.
How many carats are in a stone?
There are 31,751.47 carats in one stone.
Is this conversion exact?
The ratio between the carat and the stone is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 carats in stones?
10 carats equals 0.0003149461 stones.