FreeDev Tools

Frequency Converter

Convert frequency between hertz, kilohertz, megahertz, gigahertz, RPM, and rad/s.

Runs locally in your browser. Your input is not uploaded.

How to Use

  1. 1

    Select the source unit

    Choose Hz, kHz, MHz, GHz, RPM, or rad/s in the dropdown.

  2. 2

    Enter frequencies

    Type one value per line, e.g. 440 or 2400.

  3. 3

    Copy the conversions

    Every value is expanded to all six frequency units at once.

Frequently Asked Questions

Divide by 1,000: 2,400 MHz = 2.4 GHz. Enter the value, choose MHz as the source unit, and the tool lists Hz, kHz, GHz, RPM, and rad/s.