Frequency Unit Converter
Instantly convert between Hz, kHz, MHz, GHz, THz, rpm, and rad/s
How to Use
- 1 Select the frequency unit you want to convert from (e.g., Hz, MHz, GHz, rpm)
- 2 Enter the value in the input field
- 3 View instant conversions across all supported frequency units
- 4 See real-world examples like CPU speeds and audio frequencies
Understanding Frequency Units
Frequency measures the number of occurrences of a repeating event per unit time. The hertz (Hz) is the SI unit of frequency, named after physicist Heinrich Hertz. One hertz equals one cycle per second. Frequency conversions are essential in electronics, telecommunications, physics, and engineering.
| Unit | Equivalent in Hz |
|---|---|
| Hz (Hertz) | 1 Hz |
| kHz (Kilohertz) | 1,000 Hz |
| MHz (Megahertz) | 1,000,000 Hz |
| GHz (Gigahertz) | 1,000,000,000 Hz |
| THz (Terahertz) | 1,000,000,000,000 Hz |
| rpm (Revolutions/min) | 1/60 Hz ≈ 0.01667 Hz |
| rad/s (Radians/sec) | 1/(2π) Hz ≈ 0.159155 Hz |
Frequently Asked Questions
How do you convert MHz to GHz?
To convert MHz to GHz, divide the MHz value by 1000. For example, 1000 MHz equals 1 GHz. 1 GHz = 1,000 MHz = 1,000,000 kHz = 1,000,000,000 Hz.
What is 1 RPM equal to in Hz?
1 RPM (revolution per minute) equals 1/60 Hz or approximately 0.01667 Hz. This is because there are 60 seconds in a minute, so each revolution per minute is one cycle per 60 seconds.
How do you convert rad/s to Hz?
To convert rad/s to Hz, divide the rad/s value by 2π (approximately 6.283185). For example, 1 rad/s ≈ 0.159155 Hz. This is because one complete cycle is 2π radians.
What is the difference between Hz and rad/s?
Hz (hertz) measures frequency in cycles per second, while rad/s (radians per second) measures angular frequency. 1 Hz = 2π rad/s ≈ 6.283185 rad/s. Both measure rotational speed but use different units.
How many Hz is 1 THz?
1 THz (terahertz) equals 1,000,000,000,000 Hz (1 trillion hertz). THz is commonly used for terahertz imaging, spectroscopy, and wireless communications. 1 THz = 10^12 Hz.
How do you convert MHz to GHz?
To convert MHz to GHz, divide the MHz value by 1000. For example, 1000 MHz equals 1 GHz. 1 GHz = 1,000 MHz = 1,000,000 kHz = 1,000,000,000 Hz.
What is 1 RPM equal to in Hz?
1 RPM (revolution per minute) equals 1/60 Hz or approximately 0.01667 Hz. This is because there are 60 seconds in a minute, so each revolution per minute is one cycle per 60 seconds.
How do you convert rad/s to Hz?
To convert rad/s to Hz, divide the rad/s value by 2π (approximately 6.283185). For example, 1 rad/s ≈ 0.159155 Hz. This is because one complete cycle is 2π radians.
What is the difference between Hz and rad/s?
Hz (hertz) measures frequency in cycles per second, while rad/s (radians per second) measures angular frequency. 1 Hz = 2π rad/s ≈ 6.283185 rad/s. Both measure rotational speed but use different units.
How many Hz is 1 THz?
1 THz (terahertz) equals 1,000,000,000,000 Hz (1 trillion hertz). THz is commonly used for terahertz imaging, spectroscopy, and wireless communications. 1 THz = 10^12 Hz.