offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers

Reactance Calculator

Calculate capacitive or inductive reactance for AC circuits. Enter frequency and component values to get results in ohms.

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

Frequency (Hz)

Component type

Component value

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.