Size of a Standard Gold Bar

Gold bars weigh about 25 pounds.
••• gold image by Raimundas from

A standard gold bar measures 7 x 3 5/8 x 1 3/4 inches, according to the United States Mint. It weights about 400 ounces, or 25 pounds. The internationally accredited standard dictates it must weigh between 350 and 430 ounces.

Recommended Size

The London Bullion Market (LBMA) defines "London Good Delivery," the international standard for a gold bar, by weight. Size is less important, but the market recommends dimensions of about 10 by 3 1/5 inches for the top surface, 9 3/10 x 2 1/5 inches for the bottom surface and 1 1/2 inches in thickness.


There are 55 manufacturers in the world that produce about 150,000 gold bars every year that are accepted as London Good Delivery, according to They contain at least 99.5 percent gold. Central banks hold about 2.5 million of these bars around the world.

Gold as a Commodity

Gold is not legal tender. It is not recognized as currency, but is traded as a commodity with a volatile price. Any U.S. bank that acts as principal in gold-related transactions must advise its district Federal Reserve Bank.

Related Articles

Conversion of PPM to Oz
Geological and Geographical Characteristics of Gold...
List of Montana's Natural Resources
The Difference Between 10K & 14K Gold
Can You Melt Gold With Propane?
Effects of Gold Mining on the Environment
3 Different Forms of Brass
What Is Mexican Silver?
Where Is Gold Located in Canada?
What is Gold Filled?
Refining Systems Used to Make Gold Bars
How to Dispose of Lead Aprons
Gold Mining Facts
Metal as a Renewable or Nonrenewable Resource
Does Every River Contain Gold?
Wisconsin Natural Resources
What Is the Difference Between 10, 14, 18 & 24 Carat...
Uses for Petroleum Coke
Types of Gold Refining
What Is Lexan Glass?

Dont Go!

We Have More Great Sciencing Articles!