Density and Mass
dwttogr
Convert pennyweights (troy) (dwt) to grains (gr).
Factor1 dwt = 24 gr
Converter
dwt
Accepts numbers or expressions, e.g. 150 + 14.7
Result
gr
Rendered to 6 significant figures.
Formula
Formula
gr = dwt × 24
Multiply any value in pennyweights (troy) by 24 to obtain the value in grains.
Worked example
Convert 1 dwt to gr.
- 01Start with 1 dwt.
- 02Multiply by the conversion factor: 1 × 24 = 24 gr.
Result1 dwt = 24 gr
Conversion table
| dwt | gr |
|---|---|
| 1 | 24 |
| 2 | 48 |
| 5 | 120 |
| 10 | 240 |
| 20 | 480 |
| 50 | 1200 |
| 100 | 2400 |
| 200 | 4800 |
| 500 | 12000 |
| 1000 | 24000 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dwt to gr?
1 dwt equals 24 gr. To convert, multiply the value in pennyweights (troy) by 24.
How do I convert 1 dwt to gr?
1 dwt = 24 gr. For any value, multiply by 24.
How do I convert gr back to dwt?
Divide by the same factor — or equivalently, multiply by 0.04166667. So 1 gr = 0.0416667 dwt.
When would I need to convert pennyweight (troy) to grain (troy/apothecary)?
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).