Convert Carat to Ounce
Use this free converter to change carats (ct) into ounces (oz). Carat and ounce both measure weight & mass. As a quick reference, 1 ct equals 0.0070547924 oz, and 1 oz equals 141.74762 ct.
Free · runs in your browser · no sign-up
Ounce (oz)
0.0070547924
1 ct = 0.0070547924 oz
Weight & Mass conversion table
| Carat | Ounce |
|---|---|
| 0.01 | 0.000070547924 |
| 0.1 | 0.00070547924 |
| 0.5 | 0.0035273962 |
| 1 | 0.0070547924 |
| 2 | 0.014109585 |
| 3 | 0.021164377 |
| 5 | 0.035273962 |
| 10 | 0.070547924 |
| 20 | 0.14109585 |
| 25 | 0.17636981 |
| 50 | 0.35273962 |
| 100 | 0.70547924 |
| 1,000 | 7.0547924 |
How to convert Carat to Ounce
Multiply the carat value by 0.0070547924 to get ounces.
- Enter the number of carats you want to convert.
- The converter instantly shows the equivalent value in ounces.
- Worked example: 15 ct × 0.0070547924 = 0.10582189 oz.
- Use the swap button to reverse the conversion (ounce to carat).
About these units
Carat (ct)
- Definition
- A carat (ct) is a unit of mass for gemstones equal to exactly 200 milligrams.
- History
- It takes its name from the carob seed, once used as a counterweight, and was standardised at 0.2 g in 1907.
- Current use
- Carats express the weight of diamonds and other precious stones in the jewellery trade.
Ounce (oz)
- Definition
- An ounce (oz) is an imperial unit of mass equal to one sixteenth of a pound, about 28.35 grams.
- History
- It also descends from the Roman "uncia" (a twelfth) and was later fixed at 1/16 of the avoirdupois pound.
- Current use
- Ounces measure food portions, postal weights, and ingredients in the US and UK.
Frequently asked questions
How many ounces are in a carat?
There are 0.0070547924 oz in 1 ct. To convert, multiply the number of carats by 0.0070547924.
How do I convert carats to ounces?
Multiply the carat value by 0.0070547924 to get ounces. For example, 10 ct = 0.070547924 oz.
Is this carat-to-ounce converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Carat to other weight & mass units
| Unit | 1 Carat equals |
|---|---|
| Kilogram (kg) | 0.0002 kg |
| Gram (g) | 0.2 g |
| Milligram (mg) | 200 mg |
| Microgram (µg) | 200000 µg |
| Metric Ton (t) | 2.0000e-7 t |
| Pound (lb) | 0.00044092452 lb |
| Ounce (oz) | 0.0070547924 oz |
| Stone (st) | 0.000031494609 st |
| US Ton (ton) | 2.2046e-7 ton |
| Imperial Ton (long ton) | 1.9684e-7 long ton |