Standard Gold Bar
Physical transaction of a london gold trade requires gold bar s conforming to the following specifications.
Standard gold bar. The standard gold bar held as gold reserves by central banks and traded among bullion dealers is the 400 troy ounce 12 4 kilogram. A standard gold bar measures 7 x 3 5 8 x 1 3 4 inches according to the united states mint. Here in america we normally convert weights using pounds. The standard gold bar that s held and traded internationally by central banks and bullion dealers is known as the good delivery bar.
It weights about 400 ounces or 25 pounds. 438 9 ounce good delivery gold bar. Gold bars weights are highly variant and often are not even homogenous nor fully fungible. The 1 troy oz gold bar is the most common size traded around the world.
Even countries that use the metric system still produce bars and coins in the 1 troy oz size since it is so popular. In other words often the largest gold bar weights are not exact and therefore cannot be traded without adequate record keeping weighing and assaying. A standard gold bar weighs approximately 400 troy ounces and has a minimum fineness of 995 parts per 1 000 pure gold 99 5 purity. The internationally accredited standard dictates it must weigh between 350 and 430 ounces.
It typically weighs in at 400 troy ounces 27 5 pounds and measures 7 inches x 3 and 5 8 inches x 1 and 3 4 inches however dimensions and weights can vary between different institutions and uses.