A Gold Calculator is an online or digital tool that helps you calculate the value of gold quickly and accurately. It works by using the current gold price, the weight of gold, and the purity of gold. Instead of doing complex calculations manually, the gold calculator does everything for you in seconds. Gold is measured in different units like grams, ounces, and tolas. Its purity is measured in karats such as 24K, 22K, 18K, and so on. A gold calculator allows you to select the unit and purity easily. Once you enter the details, the tool shows the total value of your gold based on live market rates.