Silver Alloy Calculator
Add metals, calculate purity adjustments, and print your calculation sheet
Add Metal
Code, weight, and purityg
%
Quick Purity
Add metals above to start calculating.
Purity Reference
Silver Grades
| Grade | Purity | Use |
|---|---|---|
| 999 | 99.9% | Coins, Idols |
| 925 | 92.5% | Jewellery (Sterling) |
| 800 | 80.0% | Utensils, Articles |
| 750 | 75.0% | Mixed Alloy |
Quick Reference
| Metal | Purity | Fine |
|---|---|---|
| 92.5% | 92.5% silver | Fine = Weight × 0.925 |
| 99.9% | 99.9% silver | Fine = Weight × 0.999 |
| 91.6% | 91.6% silver | Fine = Weight × 0.916 |
| 75.0% | 75.0% silver | Fine = Weight × 0.75 |
| 58.3% | 58.3% silver | Fine = Weight × 0.583 |