As the gauge number increases, the material thickness decreases. Sheet metal thickness gauges for steel are based on a weight of 41.82 pounds per square foot per inch of thickness. This is known as the Manufacturers’ Standard Gauge for Sheet Steel. For galvanized material, the decimal by gauge and weight per pound is different than steel due to the coating weight.

Example 1: A 10 gauge steel sheet which has a thickness of 0.1345 inches will weigh 41.82 * 0.1345 = 5.625 pounds per square foot.

Example 2: A 10 gauge galvanized sheet which has a thickness of .1382 inches will weigh 41.37 * .1382 = 5.718 pounds per square foot.

You can use the steel gauge chart to source the proper material to fit you and your customer’s needs. We will help you determine the right amount of steel for your hot-rolled, hot-rolled pickled and oiled, cold-rolled or galvanized projects.