The first thing to note is that the ounce (OZ) itself is a unit of weight. The conversion formula between ounces and grams (g) is: 1OZ ≈28.35g. In the PCB industry, 1OZ means the thickness of copper weighing 1OZ evenly spread over an area of 1 square foot (FT2). It expresses the average thickness of copper foil in terms of weight per unit area. Expressed by the formula, 1OZ=28.35g/FT2 (FT2 is square...
