Density and Mass
dwttoµg
Convert pennyweights (troy) (dwt) to micrograms (µg).
Factor1 dwt = 1555174 µg
Converter
dwt
Accepts numbers or expressions, e.g. 150 + 14.7
Result
µg
Rendered to 6 significant figures.
Formula
Formula
µg = dwt × 1555174
Multiply any value in pennyweights (troy) by 1555174 to obtain the value in micrograms.
Worked example
Convert 1 dwt to µg.
- 01Start with 1 dwt.
- 02Multiply by the conversion factor: 1 × 1555174 = 1.55517e+6 µg.
Result1 dwt = 1.55517e+6 µg
Conversion table
| dwt | µg |
|---|---|
| 1 | 1.5552e+6 |
| 2 | 3.1103e+6 |
| 5 | 7.7759e+6 |
| 10 | 1.5552e+7 |
| 20 | 3.1103e+7 |
| 50 | 7.7759e+7 |
| 100 | 1.5552e+8 |
| 200 | 3.1103e+8 |
| 500 | 7.7759e+8 |
| 1000 | 1.5552e+9 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dwt to µg?
1 dwt equals 1555174 µg. To convert, multiply the value in pennyweights (troy) by 1555174.
How do I convert 1 dwt to µg?
1 dwt = 1.55517e+6 µg. For any value, multiply by 1555174.
How do I convert µg back to dwt?
Divide by the same factor — or equivalently, multiply by 6.430149e-7. So 1 µg = 6.43015e-7 dwt.
When would I need to convert pennyweight (troy) to microgram?
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).