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Gold Volume to Weight Estimate Calculator — result sheet
Estimate pure-gold mass equivalent and troy ounces from volume and an entered purity percentage.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Pure-gold mass = volume × 19.32 g/cm³; equivalent mass = pure-gold mass × purity fraction.
This page makes the reference density, purity fraction, and troy-ounce conversion visible. Actual jewellery or alloy mass can differ because alloy composition changes density, so the result is not a price, valuation, or assay.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Gold volume — cm³; minimum 1.0E-6; maximum 1000000000000
- Purity or fineness percentage — %; This is a pure-gold-equivalent scenario, not an assay.; minimum 1.0E-6; maximum 100
Worked example
| Input | Value |
|---|---|
| Gold volume | 10 |
| Purity or fineness percentage | 75 |
10 cm³ corresponds to 193.2 g of pure gold; at 75% purity the pure-gold-equivalent estimate is 144.9 g, or about 4.65833 troy ounces.
Assumptions and limits
- Pure gold is represented by a reference density of 19.32 g/cm³.
- Purity is modeled as a linear pure-gold-equivalent fraction.
- Troy ounces use 31.1034768 grams per troy ounce.
- Alloy composition, stones, hollow construction, plating, assay error, and market price are excluded.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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