1. The Gold price Calculator only provides an estimated value of your gold.
2. The commonly used units are troy ounce, gram, and kilogram. The conversion between them is as below:1 troy ounce = 31.1034768 grams, or 0.0311034768 kilograms.
3. The purity of gold. Generally, the purity of gold bullions is up than 99%; gold coins and gold jewelries are commonly gold alloy, they may be 24k, 22k, 18k, 14k, 10k, or 8k, etc. Therefore, the price of gold bullions is higher than gold coins and jewelries (excluding the costs of craft and design). In additional, a unit karat of gold is equal to 1/24 part (4.1667%).
4. The real-time price represents the latest gold spot price; and the historical closes price is the London PM fixing price.