Fineness of Gold Karats
| Gold Karat | Fineness |
| 9.00 K | 0.37500 |
| 9.50 K | 0.39583 |
| 10.0 K | 0.41667 |
| 13.0 K | 0.54167 |
| 13.5 K | 0.56250 |
| 14.0 K | 0.58333 |
| 17.0 K | 0.70833 |
| 17.5 K | 0.72917 |
| 18.0 K | 0.75000 |
| 21.0 K | 0.87500 |
| 21.5 K | 0.89583 |
| 22.0 K | 0.91667 |
| Gold Karat | Fineness |
| 9.00 K | 0.37500 |
| 9.50 K | 0.39583 |
| 10.0 K | 0.41667 |
| 13.0 K | 0.54167 |
| 13.5 K | 0.56250 |
| 14.0 K | 0.58333 |
| 17.0 K | 0.70833 |
| 17.5 K | 0.72917 |
| 18.0 K | 0.75000 |
| 21.0 K | 0.87500 |
| 21.5 K | 0.89583 |
| 22.0 K | 0.91667 |