Density and Mass
ttodwt
Convert metric tonnes (t) to pennyweights (troy) (dwt).
Factor1 t = 643014.9 dwt
Converter
t
Accepts numbers or expressions, e.g. 150 + 14.7
Result
dwt
Rendered to 6 significant figures.
Formula
Formula
dwt = t × 643014.9
Multiply any value in metric tonnes by 643014.9 to obtain the value in pennyweights (troy).
Worked example
Convert 1 t to dwt.
- 01Start with 1 t.
- 02Multiply by the conversion factor: 1 × 643014.9 = 643015 dwt.
Result1 t = 643015 dwt
Conversion table
| t | dwt |
|---|---|
| 1 | 6.4301e+5 |
| 2 | 1.2860e+6 |
| 5 | 3.2151e+6 |
| 10 | 6.4301e+6 |
| 20 | 1.286e+7 |
| 50 | 3.2151e+7 |
| 100 | 6.4301e+7 |
| 200 | 1.286e+8 |
| 500 | 3.2151e+8 |
| 1000 | 6.4301e+8 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from t to dwt?
1 t equals 643014.9 dwt. To convert, multiply the value in metric tonnes by 643014.9.
How do I convert 1 t to dwt?
1 t = 643015 dwt. For any value, multiply by 643014.9.
How do I convert dwt back to t?
Divide by the same factor — or equivalently, multiply by 1.555174e-6. So 1 dwt = 1.55517e-6 t.
When would I need to convert metric tonne to pennyweight (troy)?
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).