Density and Mass
oztoct
Convert ounces (avoirdupois) (oz) to metric carats (ct).
Factor1 oz = 141.7476 ct
Converter
oz
Accepts numbers or expressions, e.g. 150 + 14.7
Result
ct
Rendered to 6 significant figures.
Formula
Formula
ct = oz × 141.7476
Multiply any value in ounces (avoirdupois) by 141.7476 to obtain the value in metric carats.
Worked example
Convert 1 oz to ct.
- 01Start with 1 oz.
- 02Multiply by the conversion factor: 1 × 141.7476 = 141.748 ct.
Result1 oz = 141.748 ct
Conversion table
| oz | ct |
|---|---|
| 1 | 141.75 |
| 2 | 283.5 |
| 5 | 708.74 |
| 10 | 1417.5 |
| 20 | 2835 |
| 50 | 7087.4 |
| 100 | 14175 |
| 200 | 28350 |
| 500 | 70874 |
| 1000 | 1.4175e+5 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from oz to ct?
1 oz equals 141.7476 ct. To convert, multiply the value in ounces (avoirdupois) by 141.7476.
How do I convert 1 oz to ct?
1 oz = 141.748 ct. For any value, multiply by 141.7476.
How do I convert ct back to oz?
Divide by the same factor — or equivalently, multiply by 0.007054792. So 1 ct = 0.00705479 oz.
When would I need to convert ounce (avoirdupois) 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).