QConvert
Carat to Stone Converter
Convert Carat to Stone instantly — live results with exact conversion factors.
Answer
1 carat = 0.00003149460888 stones. To convert ct to st, multiply by 0.00003149460888.
Quick Reference Table
| Carat (ct) | Stone (st) |
|---|---|
| 1 | 0.0000314946089 |
| 2 | 0.0000629892178 |
| 5 | 0.000157473044 |
| 10 | 0.000314946089 |
| 20 | 0.000629892178 |
| 50 | 0.00157473044 |
| 100 | 0.00314946089 |
| 250 | 0.00787365222 |
| 500 | 0.015747304 |
| 1000 | 0.031494609 |
Formula
Convert Carat (ct) to Stone (st) using the relationship:
st = ct × 0.00003149460888
How to Convert
- Take the value in carats (ct).
- Multiply it by 0.00003149460888 (the conversion factor from ct to st).
- The result is the equivalent value in stones (st).
- Example: 1 ct = 0.0000314946089 st.
Reverse Conversion
Need it the other direction? Stone to Carat conversion.
All Mass / Weight Conversions
See the full list of Mass / Weight conversions.
Related Conversions
FAQ
▸ How many stones are in 1 carat?
1 Carat equals 0.0000314946089 stones. Multiply by 0.00003149460888 to convert ct to st.
▸ What is the formula to convert carat to stone?
Multiply the value in carats by 0.00003149460888 to get stones. Formula: st = ct × 0.00003149460888.
▸ How do I convert carats to stones easily?
Enter your value in the converter at the top of this page — the stones result updates live as you type. You can also multiply by 0.00003149460888 directly.