VastCalc
Conversion
Frequency Converter
Convert between hertz, kilohertz, megahertz, gigahertz, and RPM frequency units.

Frequency Converter

Convert between all common frequency units including hertz, kilohertz, megahertz, gigahertz, terahertz, RPM, and radians per second. Essential for electronics, physics, and engineering.

Frequency measures how often an event repeats per unit of time. The SI unit is hertz (Hz), equal to one cycle per second.

Key Conversion Factors:

  • 1 kHz = 1,000 Hz
  • 1 MHz = 1,000,000 Hz
  • 1 GHz = 1,000,000,000 Hz
  • 1 THz = 1,000,000,000,000 Hz
  • 1 RPM = 1/60 Hz
  • 1 rad/s = 1/(2π) Hz ≈ 0.15915 Hz

Common Frequency Ranges:

  • Human hearing: 20 Hz to 20 kHz
  • AM radio: 530 kHz to 1.7 MHz
  • FM radio: 87.5 MHz to 108 MHz
  • Wi-Fi: 2.4 GHz and 5 GHz
  • CPU clock speeds: 1-5 GHz

Frequently Asked Questions

Search Calculators

Search across all calculator categories