Kilohertz is 1000 hertz units.
Kilohertz to Gigahertz Converter — kHz to GHz
Convert Kilohertz (kHz) to Gigahertz (GHz) using the exact conversion factor (1 kilohertz = 0.000001 gigahertz). See the formula, worked examples, and conversion table.
Kilohertz to Gigahertz converter
Converter
Scientific Units Converter
Convert SI derived units, scientific notation-friendly units, atomic units, and lab measurements.
Context values
Some unit families need one extra value for a physically accurate result.
Gigahertz is 1000000000 hertz units.
Result = input x 1000 / 1e+9.
Frequency units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Kilohertz to Gigahertz
Kilohertz and Gigahertz are both scientific-measurement units, spanning everything from atomic and laboratory scales to astronomical distances — the kind of conversion that comes up constantly in physics, chemistry, and astronomy when a result needs to move between conventions used in different subfields. Specifically: Kilohertz is 1000 hertz units, and gigahertz is 1000000000 hertz units.
Formula
gigahertz = kilohertz × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 kilohertz equals 1000 base units, and 1 gigahertz equals 1000000000 base units, so dividing one by the other gives the direct kilohertz-to-gigahertz factor of 0.000001.
Simple example
1 kHz × 0.000001 = 0.000001 GHz
1 kilohertz = 0.000001 gigahertz.
Real-world example
10 kHz × 0.000001 = 0.00001 GHz
10 kilohertz = 0.00001 gigahertz.
Conversion table
| Kilohertz (kHz) | Gigahertz (GHz) |
|---|---|
| 0.001 kHz | 1e-9 GHz |
| 0.01 kHz | 1e-8 GHz |
| 1 kHz | 0.000001 GHz |
| 10 kHz | 0.00001 GHz |
| 100 kHz | 0.0001 GHz |
| 1,000 kHz | 0.001 GHz |
Reverse conversion: Gigahertz to Kilohertz
0.000001 GHz × 1000000 = 1 kHz
0.000001 gigahertz = 1 kilohertz.
kilohertz = gigahertz × 1000000
For a page dedicated to this direction, see Gigahertz to Kilohertz.
Understanding the Kilohertz (kHz)
Kilohertz is 1000 hertz units.
Understanding the Gigahertz (GHz)
Gigahertz is 1000000000 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigahertz are in 1 kilohertz?
1 kilohertz equals 0.000001 gigahertz, using the exact defined conversion factor rather than an estimate.
How do I convert kilohertz to gigahertz?
Multiply the kilohertz value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert gigahertz back to kilohertz?
Use the reverse factor: 1 gigahertz equals 1,000,000 kilohertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilohertz?
Kilohertz (kHz) is a unit of scientific units.
What is a gigahertz?
Gigahertz (GHz) is a unit of scientific units.
Is the kilohertz to gigahertz conversion exact?
Yes. Both kilohertz and gigahertz are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.
Why does this category span everything from atomic to astronomical scales?
Scientific work spans an enormous range of physical scales, from atomic distances (measured in angstroms or atomic mass units) to interstellar distances (measured in astronomical units or parsecs), so this category groups SI-derived and scale-specific units that researchers commonly need to convert between within their field.