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Frequency Converter

Convert between Hz, kHz, MHz, GHz, RPM.

Inputs
Enter your values below.
Result
Your answer appears here.

Enter values and press Calculate — the result appears here.

How it works
The formula behind this calculator.

1 GHz = 1,000 MHz = 10^9 Hz

value, from, to
Source value and unit

Frequency in hertz is cycles per second. Period (seconds) = 1 / frequency. Higher frequency = shorter wavelength.

Example: FM radio: 88–108 MHz; WiFi: 2.4 or 5 GHz; Period = 1/freq

Ref: SI derived unit for frequency (Hertz)

Tips
  • 💡 1 GHz = 1,000 MHz = 1,000,000 kHz = 1,000,000,000 Hz.
  • 💡 Period (seconds) = 1 / frequency (Hz). For 50 Hz: T = 20 ms.

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