Carat to Stone Converter
Convert carats to stones with this free weight converter. The exact relationship used on this page is 1 carat = 0.0000314946088836 stones. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Stone = Carat × 0.0000314946088836
How to convert carats to stones
- Enter the value in carats in the converter.
- Read the equivalent amount in stones.
- Use the swap link if you need stone to carat instead.
- Check the table for common values without typing.
Worked examples
- 1 ct = 0.00003149460888 st
- 5 ct = 0.0001574730444 st
- 10 ct = 0.0003149460888 st
- 25 ct = 0.0007873652221 st
Conversion table
Common carats values converted to stones.
| ct | st |
|---|---|
| 1 | 0.00003149460888 |
| 2 | 0.00006298921777 |
| 3 | 0.00009448382665 |
| 4 | 0.0001259784355 |
| 5 | 0.0001574730444 |
| 6 | 0.0001889676533 |
| 7 | 0.0002204622622 |
| 8 | 0.0002519568711 |
| 9 | 0.00028345148 |
| 10 | 0.0003149460888 |
| 20 | 0.0006298921777 |
| 50 | 0.001574730444 |
| 100 | 0.003149460888 |
| 250 | 0.007873652221 |
| 500 | 0.01574730444 |
| 1,000 | 0.03149460888 |
About this conversion
Carat (ct) and Stone (st) are both weight units. Weight and mass converters cover kitchen scales, shipping, gym plates, and laboratory work. Bookmark this URL when you convert carats to stones often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the stone to carat converter.
FAQ
How many stones are in 1 carat?+
1 carat equals 0.0000314946088836 stones.
What is the formula to convert carats to stones?+
Stone = Carat × 0.0000314946088836
How do I convert carats to stones by hand?+
Multiply the carat value by 0.0000314946088836. Example: 10 carats × 0.0000314946088836 = 0.000314946088836 stones.
Is this ct to st converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.