Convert troy ounces to carats
1 ozt = 155.517384 ct — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
155.517 384ct
Exact decimal: 155.517384
As a fraction: 19439673/125000
1 ozt = 155.517384 ct
How to convert troy ounces to carats
Multiply the number of troy ounces by 155.517384 to get carats.
The exact factor is 155.517384 — as a fraction, 19439673/125000.
Troy ounce: How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
Carat: The metric carat: exactly 200 mg.
Troy ounce to Carat conversion table
| Troy ounces (ozt) | Carats (ct) |
|---|---|
| 1 ozt | 155.517 38 |
| 2 ozt | 311.034 77 |
| 3 ozt | 466.552 15 |
| 5 ozt | 777.586 92 |
| 10 ozt | 1555.1738 |
| 20 ozt | 3110.3477 |
| 25 ozt | 3887.9346 |
| 50 ozt | 7775.8692 |
| 100 ozt | 15 551.738 |
| 250 ozt | 38 879.346 |
| 500 ozt | 77 758.692 |
| 1000 ozt | 155 517.38 |
Carat to Troy ounce conversion table
| Carats (ct) | Troy ounces (ozt) |
|---|---|
| 1 ct | 0.006 430 149 3 |
| 2 ct | 0.012 860 299 |
| 3 ct | 0.019 290 448 |
| 5 ct | 0.032 150 747 |
| 10 ct | 0.064 301 493 |
| 20 ct | 0.128 602 99 |
| 25 ct | 0.160 753 73 |
| 50 ct | 0.321 507 47 |
| 100 ct | 0.643 014 93 |
| 250 ct | 1.607 537 3 |
| 500 ct | 3.215 074 7 |
| 1000 ct | 6.430 149 3 |
Frequently asked
How many carats are in a troy ounce?
One troy ounce equals 155.517384 carats (ozt → ct). That figure is exact, not rounded.
How do you convert troy ounces to carats?
Multiply the number of troy ounces by 155.517384 to get carats.
What is 1 ct in troy ounces?
One carat is 0.006430149314 troy ounces.
What is 10 ozt in ct?
10 ozt = 1555.1738 ct.
What exactly is a troy ounce?
How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
What exactly is a carat?
The metric carat: exactly 200 mg.