Density and Mass
oz ttogr
Convert troy ounces (oz t) to grains (gr).
Factor1 oz t = 480 gr
Converter
oz t
Accepts numbers or expressions, e.g. 150 + 14.7
Result
gr
Rendered to 6 significant figures.
Formula
Formula
gr = oz t × 480
Multiply any value in troy ounces by 480 to obtain the value in grains.
Worked example
Convert 1 oz t to gr.
- 01Start with 1 oz t.
- 02Multiply by the conversion factor: 1 × 480 = 480 gr.
Result1 oz t = 480 gr
Conversion table
| oz t | gr |
|---|---|
| 1 | 480 |
| 2 | 960 |
| 5 | 2400 |
| 10 | 4800 |
| 20 | 9600 |
| 50 | 24000 |
| 100 | 48000 |
| 200 | 96000 |
| 500 | 2.4000e+5 |
| 1000 | 4.8000e+5 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from oz t to gr?
1 oz t equals 480 gr. To convert, multiply the value in troy ounces by 480.
How do I convert 1 oz t to gr?
1 oz t = 480 gr. For any value, multiply by 480.
How do I convert gr back to oz t?
Divide by the same factor — or equivalently, multiply by 0.002083333. So 1 gr = 0.00208333 oz t.
When would I need to convert troy ounce 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).