Density and Mass
drtokg
Convert drams (avoirdupois) (dr) to kilograms (kg).
Factor1 dr = 0.001771845 kg
Converter
dr
Accepts numbers or expressions, e.g. 150 + 14.7
Result
kg
Rendered to 6 significant figures.
Formula
Formula
kg = dr × 0.001771845
Multiply any value in drams (avoirdupois) by 0.001771845 to obtain the value in kilograms.
Worked example
Convert 1 dr to kg.
- 01Start with 1 dr.
- 02Multiply by the conversion factor: 1 × 0.001771845 = 0.00177185 kg.
Result1 dr = 0.00177185 kg
Conversion table
| dr | kg |
|---|---|
| 1 | 0.0017718 |
| 2 | 0.0035437 |
| 5 | 0.0088592 |
| 10 | 0.017718 |
| 20 | 0.035437 |
| 50 | 0.088592 |
| 100 | 0.17718 |
| 200 | 0.35437 |
| 500 | 0.88592 |
| 1000 | 1.7718 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dr to kg?
1 dr equals 0.001771845 kg. To convert, multiply the value in drams (avoirdupois) by 0.001771845.
How do I convert 1 dr to kg?
1 dr = 0.00177185 kg. For any value, multiply by 0.001771845.
How do I convert kg back to dr?
Divide by the same factor — or equivalently, multiply by 564.3834. So 1 kg = 564.383 dr.
When would I need to convert dram (avoirdupois) to kilogram?
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).