1 carat to troy ounces
1 ct = 0.00643015 oz t. Change the amount below, or read the formula and the reference table further down.
1 carat equals
troy ounces
1 ct = 0.00643015 oz t
The formula
Carats and troy ounces both measure weight & mass from the same zero, so a single multiplier does the job.
oz t = ct × 0.0064301493
Going the other way? Convert troy ounces to carats.
Carats to troy ounces table
Values either side of 1 ct.
| Carats (ct) | Troy ounces (oz t) |
|---|---|
| -4 | -0.025721 |
| -3.5 | -0.022506 |
| -3 | -0.01929 |
| -2.5 | -0.016075 |
| -2 | -0.01286 |
| -1.5 | -0.009645 |
| -1 | -0.00643 |
| -0.5 | -0.003215 |
| 0 | 0 |
| 0.5 | 0.003215 |
| 1 | 0.00643 |
| 1.5 | 0.009645 |
| 2 | 0.01286 |
| 2.5 | 0.016075 |
| 3 | 0.01929 |
| 3.5 | 0.022506 |
| 4 | 0.025721 |
| 4.5 | 0.028936 |
| 5 | 0.032151 |
| 5.5 | 0.035366 |
| 6 | 0.038581 |
Questions people ask
- How many troy ounces are in a carat?
- One carat equals 0.0064301493 troy ounces.
- How do I convert carats to troy ounces by hand?
- Multiply the number of carats by 0.0064301493. For a rough check, 0.006 is close enough for most everyday use.
- What is 1 carat in troy ounces?
- 1 carat is 0.00643015 troy ounces.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.