Silver value formula
Value = weight (g) × purity ÷ 31.1035 × spot ($/ozt)
Avoirdupois vs troy ounce warning
Kitchen scales measure avoirdupois ounces (28.3495 g). Silver spot is quoted per troy ounce (31.1035 g). If you use a kitchen scale showing ounces, enter the reading in the "Avoirdupois oz" unit option — the calculator applies the correct conversion. Using troy oz when you have avoirdupois oz overstates results by ~9%.
Sample silver values at $60.73/ozt
| Item | Weight | Purity | Pure Ag (ozt) | Melt value |
|---|---|---|---|---|
| 1 oz Silver Eagle | 1.000 ozt | 99.9% | 0.9990 | $60.67 |
| 10 oz silver bar | 10.000 ozt | 99.9% | 9.990 | $606.70 |
| 100g silver bar | 100.000 g | 99.9% | 3.212 | $195.06 |
| 1 kg silver bar | 1000.000 g | 99.9% | 32.12 | $1,950.56 |