Note: Area Scaling Factor in #INFOSWMM and #H20MAPSWMM is needed if you want to update the DB from the Map after drawing a Subcatchment. The Auto Area Calculation Flag has to be turned on for this to work. Why did I write this blog? The USA conversion is really hard to remember!
2.295684113865932e-5 Area Scaling Factor for USA Units
0.0001 Area Scaling Factor for SI Units