Assumes copper wire for resistance and voltage calculations. 
Coil Parameters Calculator
Wire Diameter  (mm) (See Gauge Table)
Number Turns (turns) 
Bobbin Length (mm)
Bobbin Diameter (mm)
Rated DC Current  (Optional) (A)

Turns/Winding (Turns/Winding)
Number of Windings (Windings)
Coil Diameter (mm) (in)
Cross sectional Area (mm2) (in2)
Total Length of Wire in Coil (m)
Resistance/meter (ohms/m)
Resistance (ohms)
Voltage at Rated Current (V)
Power at Rated Current (W)