Capacitive Reactance Calculator

Enter the capacitance and frequency to get Xc in ohms.

Runs in your browser — nothing is uploaded
Component

—

For learning, hobby and prototyping use. Not professional electrical design advice — follow applicable codes and standards.

How to use Capacitive Reactance Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Xʟ = 2πfL

Xc = 1 / (2πfC)