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Free Forever Frequency Conversions

Hz
kHz
MHz
GHz
THz
rpm
rps
cps
Bq
Ci
Ci/s
kBq

📡 Frequency Conversions: Everyday Use

When it comes to converting frequencies, most people think of radio signals, sound waves, or electrical engineering—but frequency conversions can be surprisingly relevant in day-to-day tasks too, especially if you’re working across different measurement systems or technologies.

What Is Frequency?

Frequency refers to how often something happens in a given period of time. In physics, it’s most commonly measured in Hertz (Hz), which represents cycles per second. For example:

  • 1 Hz = 1 cycle per second
  • 1 kHz (kilohertz) = 1,000 cycles per second
  • 1 MHz (megahertz) = 1,000,000 cycles per second

You’ll encounter frequency when tuning a radio, calibrating electronic devices, working with ultrasound equipment, or even analyzing time-based data.

Why Convert Frequencies?

Different devices, countries, and industries use different frequency scales. Conversions are necessary when:

  • Adapting equipment to regional standards (e.g. power frequency: 50 Hz vs 60 Hz)
  • Comparing measurements across scientific studies
  • Converting audio or radio signals for compatibility

Common Frequency Conversions

Here’s a handy reference for standard frequency units:

UnitEquivalent in Hertz
1 Hz1 Hz
1 kHz1,000 Hz
1 MHz1,000,000 Hz
1 GHz1,000,000,000 Hz
1 RPM1/60 Hz (revolutions/minute)

Real-World Applications

Here are a few scenarios where frequency conversions come into play:

  • Setting a metronome’s tempo in BPM (beats per minute)
  • Adjusting audio equipment for different recording formats
  • Switching between domestic and international power supplies
  • Matching signal frequencies in wireless communication

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