Carat to Troy Ounce Converter.
Exactly 200 milligrams, the standard unit for gemstone and diamond weight. Converting to troy ounces: The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce. One carat equals 0.00643014931373 oz t.
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Conversion formula
Divide the carat value by 155.517384 to get troy ounces. (factor: 0.00643014931373)
1 ct = 0.00643014931373 oz t
Quick reference table
| ct | oz t |
|---|---|
| 1 ct | 0.00643014931373 oz t |
| 2 ct | 0.0128602986275 oz t |
| 5 ct | 0.0321507465686 oz t |
| 10 ct | 0.0643014931373 oz t |
| 25 ct | 0.160753732843 oz t |
| 50 ct | 0.321507465686 oz t |
| 100 ct | 0.643014931373 oz t |
| 250 ct | 1.60753732843 oz t |
Need the reverse? Try ourTroy Ounce to Carat.
Carat to Troy Ounce FAQ
How many troy ounces are in one carat?
One carat equals 0.00643014931373 oz t. Multiply by 0.006430149314 to convert any value.
How do you convert ct to oz t?
Divide the carat value by 155.517384 to get troy ounces.
When would you use carats vs troy ounces?
Exactly 200 milligrams, the standard unit for gemstone and diamond weight. The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce.