Capacitance: Farads Millifarads Microfarads Nanofarads Picofarads
Frequency: Hertz Kilohertz Megahertz
XL = 2 * pi * f * L, where L is the inductance in Henrys
XC = 1 / (2 * pi * f * C), where C is the capacitance in Farads and f is the frequency.