Convert carats to ounces
1 ct = 0.00705479 oz. Change the amount below, or read the formula and the reference table further down.
1 carat equals
ounces
1 ct = 0.00705479 oz
The formula
Carats and ounces both measure weight & mass from the same zero, so a single multiplier does the job.
oz = ct × 0.0070547924
Going the other way? Convert ounces to carats.
Carats to ounces table
Common values, rounded for reading.
| Carats (ct) | Ounces (oz) |
|---|---|
| 1 | 0.007055 |
| 2 | 0.01411 |
| 3 | 0.021164 |
| 4 | 0.028219 |
| 5 | 0.035274 |
| 6 | 0.042329 |
| 7 | 0.049384 |
| 8 | 0.056438 |
| 9 | 0.063493 |
| 10 | 0.070548 |
| 15 | 0.105822 |
| 20 | 0.141096 |
| 25 | 0.17637 |
| 30 | 0.211644 |
| 40 | 0.282192 |
| 50 | 0.35274 |
| 75 | 0.529109 |
| 100 | 0.705479 |
| 250 | 1.7637 |
| 500 | 3.5274 |
| 1,000 | 7.0548 |
Questions people ask
- How many ounces are in a carat?
- One carat equals 0.0070547924 ounces.
- How do I convert carats to ounces by hand?
- Multiply the number of carats by 0.0070547924. For a rough check, 0.007 is close enough for most everyday use.
- What is 1 carat in ounces?
- 1 carat is 0.00705479 ounces.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.