This chart shows Wire Gauges in B&S, AWG and European Cross Section: MM2. Also, A Comparison of Closest Matching Gauges with Standard Drill Bits. The B&S and AWG gauges are shown in closest fractions, millimeters and decimals. The European Cross Section is shown only in metric. There is also a comparison between B&S and AWG Gauges with closest matching Standard Drill Sizes (USA). Phew….
Just click on the link – it is a PDF.