Fineness of Gold Karats
| Karat | % Gold |
| 6kt | 25.0% |
| 7kt | 29.2% |
| 8kt | 33.3% |
| 9kt | 37.5% |
| 10kt | 41.7% |
| 11kt | 45.8% |
| 12kt | 50.0% |
| 13kt | 54.2% |
| 14kt | 58.3% |
| 15kt | 62.5% |
| 16kt | 66.7% |
| 17kt | 70.8% |
| 18kt | 75.0% |
| 19kt | 79.2% |
| 20kt | 83.3% |
| 21kt | 87.5% |
| 22kt | 91.7% |
| 23kt | 95.8% |
| 24kt | 100.00% |
| Karat | % Gold |
| 6kt | 25.0% |
| 7kt | 29.2% |
| 8kt | 33.3% |
| 9kt | 37.5% |
| 10kt | 41.7% |
| 11kt | 45.8% |
| 12kt | 50.0% |
| 13kt | 54.2% |
| 14kt | 58.3% |
| 15kt | 62.5% |
| 16kt | 66.7% |
| 17kt | 70.8% |
| 18kt | 75.0% |
| 19kt | 79.2% |
| 20kt | 83.3% |
| 21kt | 87.5% |
| 22kt | 91.7% |
| 23kt | 95.8% |
| 24kt | 100.00% |