Convert Ounces to carats
1 ounce = 141.75 carats · ct = oz × 141.7476156
When you need this conversion
This conversion goes from ounces, the US customary unit for cooking and postage, to carats, the gemstone weight unit fixed at 0.2 grams. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Ounces to carats conversion table
| Ounces (oz) | Carats (ct) |
|---|---|
| 1 oz | 141.75 ct |
| 2 oz | 283.5 ct |
| 3 oz | 425.24 ct |
| 5 oz | 708.74 ct |
| 10 oz | 1,417.48 ct |
| 15 oz | 2,126.21 ct |
| 20 oz | 2,834.95 ct |
| 25 oz | 3,543.69 ct |
| 50 oz | 7,087.38 ct |
| 75 oz | 10,631.07 ct |
| 100 oz | 14,174.76 ct |
| 250 oz | 35,436.9 ct |
| 500 oz | 70,873.81 ct |
| 1,000 oz | 141,747.62 ct |
The formula
ct = oz × 141.7476156Because both units measure weight, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Carats to ounces →Related weight conversions
- Grams to carats
- Ounces to grams
- Grams to ounces
- Kilograms to pounds
- Kilograms to stones
- Metric tons to US tons
- Pounds to kilograms
- Stones to kilograms
- US tons to metric tons
- Carats to grams
- Milligrams to carats
- Kilograms to carats
Frequently asked questions
- How many carats are in a ounce?
- There are 141.75 carats in 1 ounce. The formula is ct = oz × 141.7476156.
- How do you convert ounces to carats?
- Use the formula ct = oz × 141.7476156. For example, 10 ounces equals 1,417.48 carats.
- Is the ounces to carats conversion exact?
- Yes. Ounces and carats are both units of weight, related by an exact defined factor. Displayed results are rounded for readability.
- What is oz short for?
- oz is the standard symbol for ounce. ct is the symbol for carat.