Density and Mass
oz ttokg
Convert troy ounces (oz t) to kilograms (kg).
Factor1 oz t = 0.03110348 kg
Converter
oz t
Accepts numbers or expressions, e.g. 150 + 14.7
Result
kg
Rendered to 6 significant figures.
Formula
Formula
kg = oz t × 0.03110348
Multiply any value in troy ounces by 0.03110348 to obtain the value in kilograms.
Worked example
Convert 100 oz t to kg.
- 01Start with 100 oz t.
- 02Multiply by the conversion factor: 100 × 0.03110348 = 3.11035 kg.
Result100 oz t = 3.11035 kg
Conversion table
| oz t | kg |
|---|---|
| 1 | 0.031103 |
| 2 | 0.062207 |
| 5 | 0.15552 |
| 10 | 0.31103 |
| 20 | 0.62207 |
| 50 | 1.5552 |
| 100 | 3.1103 |
| 200 | 6.2207 |
| 500 | 15.552 |
| 1000 | 31.103 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from oz t to kg?
1 oz t equals 0.03110348 kg. To convert, multiply the value in troy ounces by 0.03110348.
How do I convert 1 oz t to kg?
1 oz t = 0.0311035 kg. For any value, multiply by 0.03110348.
How do I convert kg back to oz t?
Divide by the same factor — or equivalently, multiply by 32.15075. So 1 kg = 32.1507 oz t.
When would I need to convert troy ounce to kilogram?
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).