Density and Mass
sttoct
Convert stones (st) to metric carats (ct).
Factor1 st = 31751.45 ct
Converter
st
Accepts numbers or expressions, e.g. 150 + 14.7
Result
ct
Rendered to 6 significant figures.
Formula
Formula
ct = st × 31751.45
Multiply any value in stones by 31751.45 to obtain the value in metric carats.
Worked example
Convert 1 st to ct.
- 01Start with 1 st.
- 02Multiply by the conversion factor: 1 × 31751.45 = 31751.5 ct.
Result1 st = 31751.5 ct
Conversion table
| st | ct |
|---|---|
| 1 | 31751 |
| 2 | 63503 |
| 5 | 1.5876e+5 |
| 10 | 3.1751e+5 |
| 20 | 6.3503e+5 |
| 50 | 1.5876e+6 |
| 100 | 3.1751e+6 |
| 200 | 6.3503e+6 |
| 500 | 1.5876e+7 |
| 1000 | 3.1751e+7 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from st to ct?
1 st equals 31751.45 ct. To convert, multiply the value in stones by 31751.45.
How do I convert 1 st to ct?
1 st = 31751.5 ct. For any value, multiply by 31751.45.
How do I convert ct back to st?
Divide by the same factor — or equivalently, multiply by 3.149462e-5. So 1 ct = 3.14946e-5 st.
When would I need to convert stone (UK avoirdupois) to metric carat?
Mass conversions appear in material balances, reagent dosing, and reconciling vendor specifications across imperial/metric systems.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).