Density and Mass
cttodr
Convert metric carats (ct) to drams (avoirdupois) (dr).
Factor1 ct = 0.1128767 dr
Converter
ct
Accepts numbers or expressions, e.g. 150 + 14.7
Result
dr
Rendered to 6 significant figures.
Formula
Formula
dr = ct × 0.1128767
Multiply any value in metric carats by 0.1128767 to obtain the value in drams (avoirdupois).
Worked example
Convert 100 ct to dr.
- 01Start with 100 ct.
- 02Multiply by the conversion factor: 100 × 0.1128767 = 11.2877 dr.
Result100 ct = 11.2877 dr
Conversion table
| ct | dr |
|---|---|
| 1 | 0.11288 |
| 2 | 0.22575 |
| 5 | 0.56438 |
| 10 | 1.1288 |
| 20 | 2.2575 |
| 50 | 5.6438 |
| 100 | 11.288 |
| 200 | 22.575 |
| 500 | 56.438 |
| 1000 | 112.88 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ct to dr?
1 ct equals 0.1128767 dr. To convert, multiply the value in metric carats by 0.1128767.
How do I convert 1 ct to dr?
1 ct = 0.112877 dr. For any value, multiply by 0.1128767.
How do I convert dr back to ct?
Divide by the same factor — or equivalently, multiply by 8.859226. So 1 dr = 8.85923 ct.
When would I need to convert metric carat 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).