Density and Mass
sttodr
Convert stones (st) to drams (avoirdupois) (dr).
Factor1 st = 3583.998 dr
Converter
st
Accepts numbers or expressions, e.g. 150 + 14.7
Result
dr
Rendered to 6 significant figures.
Formula
Formula
dr = st × 3583.998
Multiply any value in stones by 3583.998 to obtain the value in drams (avoirdupois).
Worked example
Convert 1 st to dr.
- 01Start with 1 st.
- 02Multiply by the conversion factor: 1 × 3583.998 = 3584 dr.
Result1 st = 3584 dr
Conversion table
| st | dr |
|---|---|
| 1 | 3584 |
| 2 | 7168 |
| 5 | 17920 |
| 10 | 35840 |
| 20 | 71680 |
| 50 | 1.7920e+5 |
| 100 | 3.5840e+5 |
| 200 | 7.1680e+5 |
| 500 | 1.7920e+6 |
| 1000 | 3.5840e+6 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from st to dr?
1 st equals 3583.998 dr. To convert, multiply the value in stones by 3583.998.
How do I convert 1 st to dr?
1 st = 3584 dr. For any value, multiply by 3583.998.
How do I convert dr back to st?
Divide by the same factor — or equivalently, multiply by 0.000279018. So 1 dr = 0.000279018 st.
When would I need to convert stone (UK avoirdupois) to dram (avoirdupois)?
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).