RE: Glow to electric conversion chart?
Sorry, there isn't anything like that. The flexibility of electric power systems allow you to build the exact right power system for the plane and the way you want to fly it. It would be both penny AND pound foolish to do it any other way. You don't want to spend any more than you have to or carry any more weight around than you have to.
Really, the motor itself doesn't matter much as long as it can handle the power necessary to fly the plane. The rest can be hashed out in the propeller and gearbox. It's the battery that is the most important part, because that's where the energy comes from.
Generally speaking, typical sport planes can be powered as such:
.15-size == 8 cell pack
.25-size == 10 cell pack
.40-size == 14-16 cell pack
.60-size == 20-24 cell pack
This assumes a current of 25 Amps for .15 size, 30-35 Amps for .25-size, and 40 Amps for larger planes.