Find the maximum net metal weight within your budget under explicit charge assumptions.
No default market price or recommended tax rate. Zero optional charges mean excluded, not legally tax-free. Enter the assumptions on your quotation; all tax results are estimates.
Your estimate
Enter your values and calculate. No invented prices or automatic recommendations.
Money rounded to two decimals at output; intermediate calculations retain precision. Other results display up to six decimals.
Saved estimates
Local estimates stay on this browser and may be lost if browser data is cleared. Do not use on a shared device.
No saved estimates for this tool.
How it works
Grams = (budget / (1 + tax / 100) − fixed charge) / (rate × (1 + making / 100) + per-gram charge). No stones or additional fees included.