Gigahertz (GHz) is a unit of frequency equivalent to one billion hertz, widely used in telecommunications and computing to measure clock speeds and data transfer rates. Fascinatingly, as you read this, billions of cycles per second are powering your devices, allowing them to process vast amounts of data instantaneously. A gigahertz represents the speed of components in your computer, such as the CPU and memory, which typically operate in the GHz range, signifying their rapid processing capabilities.
Interestingly, the world’s most common electromagnetic waves, such as Wi-Fi and mobile phone signals, also operate in the GHz range. These gigahertz frequencies are crucial for wireless communications as they allow for higher data transfer rates and support for various networks and devices, from your smartphone to your home’s smart technology systems.
The millihertz (mHz) is a unit of frequency equal to one-thousandth of a hertz. While it sounds minuscule, frequencies at this scale have critical applications in science and technology. For example, the Earth’s rotation slows down over time, a phenomenon observable at the millihertz level. Measuring such tiny variations requires precise timing methods, akin to those used in atomic clocks that define international time standards.
In the realm of biology, certain very slow rhythms in the human body, such as some brainwave patterns, occur at millihertz frequencies. Understanding these subtle oscillations can provide insights into sleep cycles and neurological conditions. Millihertz frequencies are also employed in geophysics for monitoring seismic activities and gravitational wave detection, highlighting their significance in uncovering the mysteries of the universe.
| Gigahertz | Millihertz |
|---|---|
0
GHz
|
0
mHz
|
0.1
GHz
|
1e+11
mHz
|
0.2
GHz
|
2e+11
mHz
|
0.3
GHz
|
3e+11
mHz
|
0.4
GHz
|
4e+11
mHz
|
0.5
GHz
|
5e+11
mHz
|
0.6
GHz
|
6e+11
mHz
|
0.7
GHz
|
7e+11
mHz
|
0.8
GHz
|
8e+11
mHz
|
0.9
GHz
|
9e+11
mHz
|
1
GHz
|
1e+12
mHz
|
1.1
GHz
|
1.1e+12
mHz
|
1.2
GHz
|
1.2e+12
mHz
|
1.3
GHz
|
1.3e+12
mHz
|
1.4
GHz
|
1.4e+12
mHz
|
1.5
GHz
|
1.5e+12
mHz
|
1.6
GHz
|
1.6e+12
mHz
|
1.7
GHz
|
1.7e+12
mHz
|
1.8
GHz
|
1.8e+12
mHz
|
1.9
GHz
|
1.9e+12
mHz
|
2
GHz
|
2e+12
mHz
|
2.1
GHz
|
2.1e+12
mHz
|
2.2
GHz
|
2.2e+12
mHz
|
2.3
GHz
|
2.3e+12
mHz
|
2.4
GHz
|
2.4e+12
mHz
|
2.5
GHz
|
2.5e+12
mHz
|
2.6
GHz
|
2.6e+12
mHz
|
2.7
GHz
|
2.7e+12
mHz
|
2.8
GHz
|
2.8e+12
mHz
|
2.9
GHz
|
2.9e+12
mHz
|
3
GHz
|
3e+12
mHz
|
3.1
GHz
|
3.1e+12
mHz
|
3.2
GHz
|
3.2e+12
mHz
|
3.3
GHz
|
3.3e+12
mHz
|
3.4
GHz
|
3.4e+12
mHz
|
3.5
GHz
|
3.5e+12
mHz
|
3.6
GHz
|
3.6e+12
mHz
|
3.7
GHz
|
3.7e+12
mHz
|
3.8
GHz
|
3.8e+12
mHz
|
3.9
GHz
|
3.9e+12
mHz
|
4
GHz
|
4e+12
mHz
|
4.1
GHz
|
4.1e+12
mHz
|
4.2
GHz
|
4.2e+12
mHz
|
4.3
GHz
|
4.3e+12
mHz
|
4.4
GHz
|
4.4e+12
mHz
|
4.5
GHz
|
4.5e+12
mHz
|
4.6
GHz
|
4.6e+12
mHz
|
4.7
GHz
|
4.7e+12
mHz
|
4.8
GHz
|
4.8e+12
mHz
|
4.9
GHz
|
4.9e+12
mHz
|
5
GHz
|
5e+12
mHz
|
5.1
GHz
|
5.1e+12
mHz
|
5.2
GHz
|
5.2e+12
mHz
|
5.3
GHz
|
5.3e+12
mHz
|
5.4
GHz
|
5.4e+12
mHz
|
5.5
GHz
|
5.5e+12
mHz
|
5.6
GHz
|
5.6e+12
mHz
|
5.7
GHz
|
5.7e+12
mHz
|
5.8
GHz
|
5.8e+12
mHz
|
5.9
GHz
|
5.9e+12
mHz
|
6
GHz
|
6e+12
mHz
|
6.1
GHz
|
6.1e+12
mHz
|
6.2
GHz
|
6.2e+12
mHz
|
6.3
GHz
|
6.3e+12
mHz
|
6.4
GHz
|
6.4e+12
mHz
|
6.5
GHz
|
6.5e+12
mHz
|
6.6
GHz
|
6.6e+12
mHz
|
6.7
GHz
|
6.7e+12
mHz
|
6.8
GHz
|
6.8e+12
mHz
|
6.9
GHz
|
6.9e+12
mHz
|
7
GHz
|
7e+12
mHz
|
7.1
GHz
|
7.1e+12
mHz
|
7.2
GHz
|
7.2e+12
mHz
|
7.3
GHz
|
7.3e+12
mHz
|
7.4
GHz
|
7.4e+12
mHz
|
7.5
GHz
|
7.5e+12
mHz
|
7.6
GHz
|
7.6e+12
mHz
|
7.7
GHz
|
7.7e+12
mHz
|
7.8
GHz
|
7.8e+12
mHz
|
7.9
GHz
|
7.9e+12
mHz
|
8
GHz
|
8e+12
mHz
|
8.1
GHz
|
8.1e+12
mHz
|
8.2
GHz
|
8.2e+12
mHz
|
8.3
GHz
|
8.3e+12
mHz
|
8.4
GHz
|
8.4e+12
mHz
|
8.5
GHz
|
8.5e+12
mHz
|
8.6
GHz
|
8.6e+12
mHz
|
8.7
GHz
|
8.7e+12
mHz
|
8.8
GHz
|
8.8e+12
mHz
|
8.9
GHz
|
8.9e+12
mHz
|
9
GHz
|
9e+12
mHz
|
9.1
GHz
|
9.1e+12
mHz
|
9.2
GHz
|
9.2e+12
mHz
|
9.3
GHz
|
9.3e+12
mHz
|
9.4
GHz
|
9.4e+12
mHz
|
9.5
GHz
|
9.5e+12
mHz
|
9.6
GHz
|
9.6e+12
mHz
|
9.7
GHz
|
9.7e+12
mHz
|
9.8
GHz
|
9.8e+12
mHz
|
9.9
GHz
|
9.9e+12
mHz
|
10
GHz
|
1e+13
mHz
|
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