Density and Mass
oz ttoct
Convert troy ounces (oz t) to metric carats (ct).
Factor1 oz t = 155.5174 ct
Converter
oz t
Accepts numbers or expressions, e.g. 150 + 14.7
Result
ct
Rendered to 6 significant figures.
Formula
Formula
ct = oz t × 155.5174
Multiply any value in troy ounces by 155.5174 to obtain the value in metric carats.
Worked example
Convert 1 oz t to ct.
- 01Start with 1 oz t.
- 02Multiply by the conversion factor: 1 × 155.5174 = 155.517 ct.
Result1 oz t = 155.517 ct
Conversion table
| oz t | ct |
|---|---|
| 1 | 155.52 |
| 2 | 311.03 |
| 5 | 777.59 |
| 10 | 1555.2 |
| 20 | 3110.3 |
| 50 | 7775.9 |
| 100 | 15552 |
| 200 | 31103 |
| 500 | 77759 |
| 1000 | 1.5552e+5 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from oz t to ct?
1 oz t equals 155.5174 ct. To convert, multiply the value in troy ounces by 155.5174.
How do I convert 1 oz t to ct?
1 oz t = 155.517 ct. For any value, multiply by 155.5174.
How do I convert ct back to oz t?
Divide by the same factor — or equivalently, multiply by 0.006430149. So 1 ct = 0.00643015 oz t.
When would I need to convert troy ounce to metric carat?
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).