Frequency Converter

The Frequency Converter is a free online tool that converts frequency values between hertz (Hz), kilohertz (kHz), megahertz (MHz) and gigahertz (GHz) instantly. No sign-up needed — enter a value, choose your units, and get an accurate result. It's a useful reference for audio engineers, radio hobbyists, and anyone comparing hardware specifications.

What is a frequency converter?

Frequency measures how many times an event repeats per second, and it's used across radio, audio, computing, and physics. Processor speeds are measured in GHz, radio stations in kHz or MHz, and basic wave calculations in Hz — this tool converts between them so you never have to shift decimal points by hand. Even a small frequency mismatch can affect signal quality or component compatibility, making accurate conversion important in technical work.

How to use the Frequency Converter

1. Enter the frequency value you want to convert.
2. Select the starting unit — Hz, kHz, MHz, or GHz.
3. Click Calculate to see the equivalent across units.

Key features

• Supports hertz, kilohertz, megahertz and gigahertz.
• Useful for electronics, radio, audio and physics calculations.
• Instant, accurate two-way conversion.
• Free and works directly in your browser.

Related tools

Working with related concepts? Try the Time Converter, Energy Converter, or the Power Converter.

Frequently asked questions

Is the Frequency Converter free?

Yes, it's completely free with no sign-up required. Run as many conversions as you need — there's no cap on usage.

How many hertz are in a kilohertz?

One kilohertz equals 1,000 hertz, one megahertz equals 1,000,000 hertz, and one gigahertz equals 1,000,000,000 hertz. These consistent thousand-fold steps make it easy to move between small and large frequency values.

How is frequency related to period?

Frequency and period are inversely related — period equals 1 divided by frequency, measured in seconds. This inverse relationship is fundamental to understanding wave behavior in physics and electronics.

What uses gigahertz?

Computer processors, Wi-Fi bands, and high-frequency radar systems are commonly rated in gigahertz. Higher gigahertz values generally indicate faster data processing or transmission capability.