Kilohertz is 1000 hertz units.
Kilohertz to Megahertz Converter — kHz to MHz
Convert Kilohertz (kHz) to Megahertz (MHz) using the exact conversion factor (1 kilohertz = 0.001 megahertz). See the formula, worked examples, and conversion table.
Kilohertz to Megahertz converter
Converter
Scientific Units Converter
Convert SI derived units, scientific notation-friendly units, atomic units, and lab measurements.
Megahertz is 1000000 hertz units.
Result = input x 1000 / 1e+6.
Frequency units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Kilohertz to Megahertz
Kilohertz and Megahertz 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 megahertz is 1000000 hertz units.
Formula
megahertz = kilohertz × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 kilohertz equals 1000 base units, and 1 megahertz equals 1000000 base units, so dividing one by the other gives the direct kilohertz-to-megahertz factor of 0.001.
Simple example
1 kHz × 0.001 = 0.001 MHz
1 kilohertz = 0.001 megahertz.
Real-world example
10 kHz × 0.001 = 0.01 MHz
10 kilohertz = 0.01 megahertz.
Conversion table
| Kilohertz (kHz) | Megahertz (MHz) |
|---|---|
| 0.001 kHz | 0.000001 MHz |
| 0.01 kHz | 0.00001 MHz |
| 1 kHz | 0.001 MHz |
| 10 kHz | 0.01 MHz |
| 100 kHz | 0.1 MHz |
| 1,000 kHz | 1 MHz |
Reverse conversion: Megahertz to Kilohertz
0.001 MHz × 1000 = 1 kHz
0.001 megahertz = 1 kilohertz.
kilohertz = megahertz × 1000
For a page dedicated to this direction, see Megahertz to Kilohertz.
Understanding the Kilohertz (kHz)
Kilohertz is 1000 hertz units.
Understanding the Megahertz (MHz)
Megahertz is 1000000 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megahertz are in 1 kilohertz?
1 kilohertz equals 0.001 megahertz, using the exact defined conversion factor rather than an estimate.
How do I convert kilohertz to megahertz?
Multiply the kilohertz value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert megahertz back to kilohertz?
Use the reverse factor: 1 megahertz equals 1,000 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 megahertz?
Megahertz (MHz) is a unit of scientific units.
Is the kilohertz to megahertz conversion exact?
Yes. Both kilohertz and megahertz are defined by fixed standards rather than physical artifacts, so the factor of 0.001 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.