Conduit Fill Chart – How Many Wires Can Fit in an EMT, IMT, Rigid Steel, or Flexible Metal Conduit Pipe? – Electrical References – Elliott Electric Supply
Chart of AWG sizes in metric
Understanding American Wire Gauge (AWG) and its Importance – Infinity Cable Products
AWG to mm Wire Gauge Conversion Chart Flexible Magnet | eBay
Wire Ampacity Size Table | Encore Wire Corporation