Inductive Reactance Calculator

Your details

Choose which quantity to calculate. The other two are the inputs.
AC signal frequency. Choose the unit that fits your application.
Inductance of the coil or inductor.
Inductive Reactance (XL)
87.9646Ohm

The AC resistance offered by the inductor at the given frequency

Admittance (BL)0.011368S
Reactance XL (Ohm)87.9646

XL = 87.96 Ohm at 1.000 kHz with 14.00 mH.

  • Doubling the frequency would raise the reactance to 175.9 Ohm, since XL scales linearly with f.
  • Doubling the inductance would similarly raise XL to 175.9 Ohm - frequency and inductance have equal weight in the formula.
  • The admittance is 0.01137 S, meaning the inductor passes 0.01137 amperes per volt of applied AC voltage.
  • In a purely inductive AC circuit, voltage leads current by exactly 90 degrees. No energy is dissipated as heat - it is stored in the magnetic field and returned each cycle.

Next stepTo design a filter or resonant circuit, pair this with the capacitive reactance calculator and find the frequency where XC = XL - that is the resonant frequency.

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