Troy Ounce to Carat Converter.
The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce. Converting to carats: Exactly 200 milligrams, the standard unit for gemstone and diamond weight. One troy ounce equals 155.517384 ct.
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Conversion formula
Multiply the troy ounce value by 155.517384 to get carats. (factor: 155.517384)
1 oz t = 155.517384 ct
Quick reference table
| oz t | ct |
|---|---|
| 1 oz t | 155.517384 ct |
| 2 oz t | 311.034768 ct |
| 5 oz t | 777.58692 ct |
| 10 oz t | 1,555.17384 ct |
| 25 oz t | 3,887.9346 ct |
| 50 oz t | 7,775.8692 ct |
| 100 oz t | 15,551.7384 ct |
| 250 oz t | 38,879.346 ct |
Need the reverse? Try ourCarat to Troy Ounce.
Troy Ounce to Carat FAQ
How many carats are in one troy ounce?
One troy ounce equals 155.517384 ct. Multiply by 155.517384 to convert any value.
How do you convert oz t to ct?
Multiply the troy ounce value by 155.517384 to get carats.
When would you use troy ounces vs carats?
The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce. Exactly 200 milligrams, the standard unit for gemstone and diamond weight.