Density and Mass
oztooz t
Convert ounces (avoirdupois) (oz) to troy ounces (oz t).
Factor1 oz = 0.9114583 oz t
Converter
oz
Accepts numbers or expressions, e.g. 150 + 14.7
Result
oz t
Rendered to 6 significant figures.
Formula
Formula
oz t = oz × 0.9114583
Multiply any value in ounces (avoirdupois) by 0.9114583 to obtain the value in troy ounces.
Worked example
Convert 10 oz to oz t.
- 01Start with 10 oz.
- 02Multiply by the conversion factor: 10 × 0.9114583 = 9.11458 oz t.
Result10 oz = 9.11458 oz t
Conversion table
| oz | oz t |
|---|---|
| 1 | 0.91146 |
| 2 | 1.8229 |
| 5 | 4.5573 |
| 10 | 9.1146 |
| 20 | 18.229 |
| 50 | 45.573 |
| 100 | 91.146 |
| 200 | 182.29 |
| 500 | 455.73 |
| 1000 | 911.46 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from oz to oz t?
1 oz equals 0.9114583 oz t. To convert, multiply the value in ounces (avoirdupois) by 0.9114583.
How do I convert 1 oz to oz t?
1 oz = 0.911458 oz t. For any value, multiply by 0.9114583.
How do I convert oz t back to oz?
Divide by the same factor — or equivalently, multiply by 1.097143. So 1 oz t = 1.09714 oz.
When would I need to convert ounce (avoirdupois) to troy ounce?
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).