Birmingham - - - G3UPA - - - IO92dm  -  OnLine Electronic Calculations Site.
Click here for just about anything you ever wanted to calculate in Electronics.

On Site Calculators
Inductance of a single layer coil
Impedance of two parallel lines.
Capacitance of parallel plates.
Capacitance of concentric cylinders.
Resonant Frequency of a Tuned circuit.
Capacitive Reactance.
Inductive Reactance.
Conversion of dBW and Watts.
Convert dB to Voltage and Power.
Standard Wire Gauge tables
Pi & T resistive attenuators