Precious Metal Weight Comparison Chart
- Find the present metal in the first vertical column.
- Multiply the present weight by the factor in the same horizontal row under the new metal. Example: A sterling silver ring weighs 8 grams, what will it weigh in 14kt.
- Along the horizontal row marked Stg in the first column under the heading 14 Kt we find 1.25 x 8 = 10 grams, weight in 14 Kt.
| Pt. | F.G. | 22kt | 18kt | 14kt | 10kt | 9kt | F.S. | Stg | |
| Platinum(Pt.) | 1.00 | 0.90 | 0.82 | 0.70 | 0.60 | 0.53 | 0.53 | 0.49 | 0.48 |
| Fine Gold(F.G.) | 1.11 | 1.00 | 0.91 | 0.78 | 0.67 | 0.59 | 0.58 | 0.54 | 0.54 |
| 22kt Gold | 1.22 | 1.10 | 1.00 | 0.86 | 0.73 | 0.65 | 0.65 | 0.60 | 0.59 |
| 18kt Gold | 1.42 | 1.28 | 1.16 | 1.00 | 0.85 | 0.76 | 0.75 | 0.69 | 0.68 |
| 14kt Gold | 1.66 | 1.50 | 1.36 | 1.17 | 1.00 | 0.89 | 0.88 | 0.81 | 0.80 |
| 10kt Gold | 1.88 | 1.69 | 1.54 | 1.32 | 1.13 | 1.00 | 0.99 | 0.92 | 0.90 |
| 9kt Gold | 1.90 | 1.71 | 1.56 | 1.34 | 1.14 | 1.01 | 1.00 | 0.93 | 0.92 |
| Fine Silver(F.S.) | 2.04 | 1.84 | 1.68 | 1.44 | 1.23 | 1.09 | 1.08 | 1.00 | 0.99 |
| Sterling Silver(Stg) | 2.07 | 1.87 | 1.70 | 1.46 | 1.25 | 1.11 | 1.09 | 1.01 | 1.00 |