Horrible
I downloaded this app and went to put in my current build to it out. I was sol on every single option except kanthan a1.
Im runnin a dual coil (x)
28agw (x)
Twisted (x)
2mm is
0.25 ohm (x)
If you added more of the quite standard coil perimeters I might redownload
Cheadows about
CoilCalculator by betterVapeTV.de