Gold Price Calculator
Calculate the value of gold holdings based on real-time market inputs, karat purity, and weight. Includes scrap value adjustments and visual representation.
About
Investing in precious metals requires precise valuation tools. Whether you are a professional trader, a jeweler, or an individual looking to sell scrap gold, understanding the intrinsic value of your holdings is essential. This calculator accounts for the critical variables: the current market spot price, the weight of the object, and most importantly, its fineness (purity).
Retail jewelry is rarely 100% pure gold. It is alloyed with other metals for durability. The "Scrap vs. Market" feature in this tool is particularly useful for sellers; it simulates the percentage deduction typically applied by pawn shops or gold buyers (often 10-20% below spot), providing a realistic net return estimate rather than an idealized market figure.
Formulas
The value V is derived from the Weight W, the Purity Ratio P, and the Market Price per unit M.
If applying a scrap deduction percentage d (e.g., 0.15 for 15%):
Reference Data
| Karat (k) | Fineness (Parts per 1000) | Purity (%) | Common Use |
|---|---|---|---|
| 24k | 999 | 99.9% | Investment Bullion, Bars |
| 22k | 916 | 91.6% | High-end Jewelry, Coins |
| 21k | 875 | 87.5% | Middle East Jewelry |
| 18k | 750 | 75.0% | Fine Jewelry (Standard) |
| 14k | 585 | 58.5% | Consumer Jewelry (US) |
| 10k | 417 | 41.7% | Durable Jewelry (US Min) |
| 9k | 375 | 37.5% | Vintage / UK Standard |
| 8k | 333 | 33.3% | Low-grade alloys |