Frequency Converter

Convert between frequency units: hertz, kilohertz, megahertz, gigahertz, and RPM. Free, instant, private.

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How It Works

  1. Enter a frequency value — Type a number into the input field. Supports decimals and scientific notation.
  2. Select the source unit — Choose from Hz, kHz, MHz, GHz, or RPM (revolutions per minute).
  3. Select the target unit — Pick the unit to convert to. The result updates in real time.
  4. View the result — The converted value is shown in bold along with the mathematical formula used.

Common Frequency Conversions

ConversionFormula
Hertz to KilohertzkHz = Hz ÷ 1,000
Hertz to MegahertzMHz = Hz ÷ 1,000,000
Hertz to GigahertzGHz = Hz ÷ 1,000,000,000
Hertz to RPMRPM = Hz × 60
RPM to HertzHz = RPM ÷ 60

About Frequency Converter

Convert frequency measurements between hertz (Hz), kilohertz (kHz), megahertz (MHz), gigahertz (GHz), and RPM (revolutions per minute). Perfect for electronics, audio, radio, and mechanical engineering.

5 Frequency Units

Hz, kHz, MHz, GHz, and RPM. Covers everything from audio frequencies to radio spectrum to rotating machinery.

Instant Conversion

Results update as you type. Change any input and see the result immediately — no submit button required.

Formula Shown

Every conversion displays the underlying math. Learn the relationship between frequency units.

100% Private

All calculations happen in your browser. No data sent to any server. Works offline once loaded.

📋 Common Use Cases

Quick Conversions

Convert values instantly without memorizing conversion factors or searching for reference tables.

Cross-System Compatibility

Bridge different measurement systems, file formats, or data representations with accurate, reliable conversions.

Professional & Academic Use

Use verified conversion factors for engineering, science, cooking, or international business.

Privacy-Safe Processing

All conversions happen locally in your browser. Your data never leaves your device.

🪜 How to Use This Tool

  1. Enter your value
    Type or paste the value you want to convert. Select the source unit or format from the dropdown.
  2. Choose target format
    Select your desired output unit or format. Common conversions are listed first for quick access.
  3. View the result
    The converted value appears instantly. Conversion formulas and precision details are shown for reference.
  4. Copy or download
    Click to copy the result to clipboard. For file converters, download the converted file directly.

📚 Related Guides

Frequently Asked Questions

Are these converters free?▼
Yes. All converters are completely free. No signup needed.
How accurate is the unit converter?▼
It uses standard conversion factors for length, mass, temperature, area, volume, and speed. Results are precise to 6 decimal places.