Frequency Converter
Easily convert between frequency units like Hz, kHz, MHz, and GHz.
Why Use This Tool? ✅
Fast & Accurate
Get precise conversions in real-time as you type, based on standard metric prefixes.
Supports All Major Units
Easily convert between Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Gigahertz (GHz), and Terahertz (THz).
Perfect for Multiple Fields
An essential tool for electronics, telecommunications, physics, and audio engineering.
User-Friendly Interface
A simple, clean interface that makes converting any frequency unit quick and easy.
Understanding Frequency: From Sound to Signals 🔊
In physics, frequency is the number of occurrences of a repeating event per unit of time. For cyclical phenomena like oscillations, waves, or for signals, frequency is a crucial property. It's the measure of how often something happens.
The SI Unit: Hertz (Hz)
The standard international (SI) unit for frequency is the Hertz (Hz), named after the German physicist Heinrich Hertz. One hertz simply means "one cycle per second". If a wave cycles up and down 10 times in one second, its frequency is 10 Hz.
Because frequencies in science and technology can be extremely high, we use standard metric prefixes to denote larger values:
- Kilohertz (kHz): 1,000 Hz. Often used for audio frequencies.
- Megahertz (MHz): 1,000,000 Hz. Used for things like FM radio stations and older computer processor speeds.
- Gigahertz (GHz): 1,000,000,000 Hz. The standard for modern computer processors, Wi-Fi, and cellular signals.
- Terahertz (THz): 1,000,000,000,000 Hz. Used in advanced imaging and security scanning technologies.
Applications of Frequency
Frequency is a fundamental concept with wide-ranging applications:
- Sound: The frequency of a sound wave determines its pitch. A low frequency produces a low-pitched sound (like a bass drum), while a high frequency produces a high-pitched sound (like a whistle).
- Electromagnetic Waves: The frequency of light, radio waves, and microwaves determines their properties and uses. Your Wi-Fi router likely operates at 2.4 GHz or 5 GHz.
- Electronics: The clock speed of a computer's CPU is measured in gigahertz, representing billions of calculation cycles per second.
This frequency converter makes it easy to switch between these different scales, allowing you to quickly understand and compare values across various scientific and technological domains.