Convert Hertz to Gigahertz
Instantly convert Hertz (Hz) to Gigahertz (GHz) with our free online calculator.
Formula: Hz to GHz — multiply by 1.0000e-9
Reference Table
| Hertz (Hz) | Gigahertz (GHz) |
|---|---|
| 1 | 1.000000e-9 |
| 5 | 5.000000e-9 |
| 10 | 1.000000e-8 |
| 25 | 2.500000e-8 |
| 50 | 5.000000e-8 |
| 100 | 1.000000e-7 |
How to Convert Hertz to Gigahertz
Formula
To convert Hertz (Hz) to Gigahertz (GHz): multiply by 1.0000e-9
Step-by-Step
- Start with your value in Hertz (Hz).
- Multiply by 1.0000e-9 to perform the conversion.
- The result is your value expressed in Gigahertz (GHz).
Conversion Factor
1 Hz = 1.000000e-9 GHz
Reverse Factor
1 GHz = 1.000000e+9 Hz
Worked Example
Convert 25 Hertz to Gigahertz: 25 Hz = 2.500000e-8 GHz
About Hertz (Hz)
The SI unit of frequency (ISO 80000-3 §3-13) equal to exactly one cycle per second (1 Hz = 1 s⁻¹). Named after German physicist Heinrich Rudolf Hertz, whose 1887-1888 experiments at Karlsruhe first demonstrated and measured electromagnetic waves and confirmed Maxwell's theory. Hz is the universal unit for periodic phenomena across physics, engineering, and consumer electronics: computer display refresh rates (60 Hz standard, 120/144/240 Hz gaming, 480 Hz high-end OLED esports monitors), residential and commercial AC mains power frequency per IEC 60038 (50 Hz universal except North America / Brazil / Liberia / Saudi Arabia at 60 Hz; aircraft 400 Hz per DO-160 to reduce transformer size and weight; ships often 400 Hz or 60 Hz), heart rate (resting ~1 Hz / 60 bpm), neuron firing rate (1-100 Hz peak), sound-wave pitch (human hearing 20 Hz - 20 kHz per ISO 226), seismic-wave frequencies (1-30 Hz for earthquake-engineering analysis per ASCE 7-22 site-response spectra), and rotating-machinery vibration analysis per ISO 10816. Hz is also the unit for radioactive-decay rate (the becquerel is 1 Bq = 1 disintegration/s = 1 Hz).
About Gigahertz (GHz)
A frequency unit equal to exactly 1,000,000,000 Hz = 10⁹ Hz. GHz is the standard reporting unit for modern semiconductor clock speeds and contemporary wireless: modern CPU clock speeds (Intel Core i9-14900K 6.0 GHz peak turbo; AMD Ryzen 9 7950X3D 5.7 GHz; Apple M3 Pro / M3 Max 4.05 GHz performance cores; the world record overclock is 9.04 GHz on liquid nitrogen with AMD FX-8350); Wi-Fi (IEEE 802.11) bands — 2.4 GHz Wi-Fi 4/5/6, 5 GHz Wi-Fi 5/6/6E, 6 GHz Wi-Fi 6E/7 with up to 320 MHz channel widths; cellular radio — sub-6 GHz 5G in 600 MHz-6 GHz spectrum, 5G mmWave 24-40 GHz per 3GPP Rel-15+ standards (n257/n258/n261); civilian + military radar (X-band 8-12 GHz, Ku-band 12-18 GHz, Ka-band 26-40 GHz for civilian satellite + automotive ADAS radar at 76-81 GHz per ETSI EN 301 091); GPS L1 carrier 1.575 GHz, L2 1.227 GHz, L5 1.176 GHz per IS-GPS-200; microwave ovens 2.45 GHz per ISM band allocation. Semiconductor datasheets, RF network-analyzer traces, and consumer wireless-device spec sheets all use GHz as the default frequency unit.
Quick Facts
- 1 Hertz equals 1.000000e-9 Gigahertz
- 1 Gigahertz equals 1.000000e+9 Hertz
- Hertz is a unit of frequency
- Gigahertz is a unit of frequency
- This conversion is commonly used in radio communication, audio engineering, and electronics
- The Hertz belongs to the metric system
Common Hertz to Gigahertz Conversions
| Hertz (Hz) | Gigahertz (GHz) |
|---|---|
| 0.01 | 1.000000e-11 |
| 0.1 | 1.000000e-10 |
| 0.25 | 2.500000e-10 |
| 0.5 | 5.000000e-10 |
| 1 | 1.000000e-9 |
| 2 | 2.000000e-9 |
| 3 | 3.000000e-9 |
| 5 | 5.000000e-9 |
| 10 | 1.000000e-8 |
| 15 | 1.500000e-8 |
| 20 | 2.000000e-8 |
| 25 | 2.500000e-8 |
| 50 | 5.000000e-8 |
| 75 | 7.500000e-8 |
| 100 | 1.000000e-7 |
| 250 | 2.500000e-7 |
| 500 | 5.000000e-7 |
| 1000 | 0.000001 |
| 5000 | 0.000005 |
| 10000 | 0.00001 |
Understanding Hertz
The Hertz (symbol: Hz) is a unit of frequency. The SI unit of frequency (ISO 80000-3 §3-13) equal to exactly one cycle per second (1 Hz = 1 s⁻¹). Named after German physicist Heinrich Rudolf Hertz, whose 1887-1888 experiments at Karlsruhe first demonstrated and measured electromagnetic waves and confirmed Maxwell's theory. Hz is the universal unit for periodic phenomena across physics, engineering, and consumer electronics: computer display refresh rates (60 Hz standard, 120/144/240 Hz gaming, 480 Hz high-end OLED esports monitors), residential and commercial AC mains power frequency per IEC 60038 (50 Hz universal except North America / Brazil / Liberia / Saudi Arabia at 60 Hz; aircraft 400 Hz per DO-160 to reduce transformer size and weight; ships often 400 Hz or 60 Hz), heart rate (resting ~1 Hz / 60 bpm), neuron firing rate (1-100 Hz peak), sound-wave pitch (human hearing 20 Hz - 20 kHz per ISO 226), seismic-wave frequencies (1-30 Hz for earthquake-engineering analysis per ASCE 7-22 site-response spectra), and rotating-machinery vibration analysis per ISO 10816. Hz is also the unit for radioactive-decay rate (the becquerel is 1 Bq = 1 disintegration/s = 1 Hz).
It belongs to the metric measurement system.
Hertz are commonly used in radio communication, audio engineering, and electronics.
Understanding Gigahertz
The Gigahertz (symbol: GHz) is a unit of frequency. A frequency unit equal to exactly 1,000,000,000 Hz = 10⁹ Hz. GHz is the standard reporting unit for modern semiconductor clock speeds and contemporary wireless: modern CPU clock speeds (Intel Core i9-14900K 6.0 GHz peak turbo; AMD Ryzen 9 7950X3D 5.7 GHz; Apple M3 Pro / M3 Max 4.05 GHz performance cores; the world record overclock is 9.04 GHz on liquid nitrogen with AMD FX-8350); Wi-Fi (IEEE 802.11) bands — 2.4 GHz Wi-Fi 4/5/6, 5 GHz Wi-Fi 5/6/6E, 6 GHz Wi-Fi 6E/7 with up to 320 MHz channel widths; cellular radio — sub-6 GHz 5G in 600 MHz-6 GHz spectrum, 5G mmWave 24-40 GHz per 3GPP Rel-15+ standards (n257/n258/n261); civilian + military radar (X-band 8-12 GHz, Ku-band 12-18 GHz, Ka-band 26-40 GHz for civilian satellite + automotive ADAS radar at 76-81 GHz per ETSI EN 301 091); GPS L1 carrier 1.575 GHz, L2 1.227 GHz, L5 1.176 GHz per IS-GPS-200; microwave ovens 2.45 GHz per ISM band allocation. Semiconductor datasheets, RF network-analyzer traces, and consumer wireless-device spec sheets all use GHz as the default frequency unit.
It belongs to the metric measurement system.
Gigahertz are commonly used in radio communication, audio engineering, and electronics.
Why Convert Hertz to Gigahertz?
Converting between Hertz and Gigahertz is a frequent requirement for engineers, scientists, and students working with frequency values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate frequency conversion is essential.
Frequently Asked Questions
How do I convert Hertz to Gigahertz?
The SI unit of frequency (ISO 80000-3 §3-13) equal to exactly one cycle per second (1 Hz = 1 s⁻¹). To convert Hertz to Gigahertz, multiply by 1.0000e-9. For example, 25 Hz equals 2.500000e-8 GHz.
How many Gigahertz are in 1 Hertz?
There are 1.000000e-9 Gigahertz in 1 Hertz.
How many Hertz are in 1 Gigahertz?
There are 1.000000e+9 Hertz in 1 Gigahertz.
What is the formula for Hertz to Gigahertz conversion?
The formula is: multiply by 1.0000e-9. This means 1 Hz = 1.000000e-9 GHz.
Is a Hertz bigger than a Gigahertz?
Yes. One Hertz is larger than one Gigahertz because 1 Hz equals 1.000000e-9 GHz, which is less than 1.
When do you need to convert between Hertz and Gigahertz?
A frequency unit equal to exactly 1,000,000,000 Hz = 10⁹ Hz. Hertz and Gigahertz are both frequency units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.