Online gold trading is a facility to buy or sell gold online through trading platform. Trading platform can be used by companies, jewellers, gold whole sellers or even by individual investors. Generally, both spot price trading and future trading are provided by many online trading companies. Jewellers generally use this facility for fixing gold price or for covering their already purchased physical gold. Spot gold trading is good for individual clients also. On every popular trading platform, gold prices are in US Dollar and gold unit is in Ounces. One ounce of gold is equal to 31.1034768 grams.