Unit converter
Frequency and Wavelength converter
Convert electromagnetic frequency to vacuum wavelength and back.
Enter a value and choose units. Results update instantly.
1 MHz = 299.792458 m
All Frequency and Wavelength units
From 1 MHz| Unit | Value |
|---|---|
| Wavelength in meters m | 299.792458 |
| Wavelength in centimeters cm | 29,979.2458 |
| Wavelength in millimeters mm | 299,792.458 |
| Wavelength in micrometers μm | 299,792,458 |
| Wavelength in nanometers nm | 299,792,458,000 |
| Frequency in hertz Hz | 1,000,000 |
| Frequency in kilohertz kHz | 1,000 |
| Frequency in megahertz MHz | 1 |
| Frequency in gigahertz GHz | 0.001 |
| Frequency in terahertz THz | 0.000001 |
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Common tasks
Popular frequency and wavelength conversions
Frequency in megahertz to Wavelength in metersMHz to m Frequency in gigahertz to Wavelength in millimetersGHz to mm Frequency in terahertz to Wavelength in micrometersTHz to μm Wavelength in nanometers to Frequency in terahertznm to THz Frequency in hertz to Wavelength in metersHz to m Wavelength in meters to Frequency in megahertzm to MHz
Reference
How frequency and wavelength conversion works
Frequency and wavelength are inversely related by the speed of propagation. Results here use the exact speed of light in vacuum; waves in cables, air, water, or other media travel at different speeds.
Values are converted to wavelength in meters first, then from that reference into the requested unit. Keeping a single documented reference reduces inconsistent pair-by-pair constants.
Accuracy note: Vacuum propagation is assumed. A medium-specific velocity factor must be applied for practical cables and materials.
Unit reference
| Unit | Symbol | 1 unit in m |
|---|---|---|
| Wavelength in meters | m | 1 |
| Wavelength in centimeters | cm | 0.01 |
| Wavelength in millimeters | mm | 0.001 |
| Wavelength in micrometers | μm | 0.000001 |
| Wavelength in nanometers | nm | 0.000000001 |
| Frequency in hertz | Hz | Inverse relationship |
| Frequency in kilohertz | kHz | Inverse relationship |
| Frequency in megahertz | MHz | Inverse relationship |
| Frequency in gigahertz | GHz | Inverse relationship |
| Frequency in terahertz | THz | Inverse relationship |
Long-tail directory
Every indexed conversion
Choose a source unit to see all available destinations.
From Wavelength in meters (m)
Wavelength in meters to Wavelength in millimetersWavelength in meters to Wavelength in micrometersWavelength in meters to Wavelength in nanometersWavelength in meters to Frequency in hertzWavelength in meters to Frequency in megahertzWavelength in meters to Frequency in gigahertzWavelength in meters to Frequency in terahertz
From Wavelength in millimeters (mm)
Wavelength in millimeters to Wavelength in metersWavelength in millimeters to Wavelength in micrometersWavelength in millimeters to Wavelength in nanometersWavelength in millimeters to Frequency in hertzWavelength in millimeters to Frequency in megahertzWavelength in millimeters to Frequency in gigahertzWavelength in millimeters to Frequency in terahertz
From Wavelength in micrometers (μm)
Wavelength in micrometers to Wavelength in metersWavelength in micrometers to Wavelength in millimetersWavelength in micrometers to Wavelength in nanometersWavelength in micrometers to Frequency in hertzWavelength in micrometers to Frequency in megahertzWavelength in micrometers to Frequency in gigahertzWavelength in micrometers to Frequency in terahertz
From Wavelength in nanometers (nm)
Wavelength in nanometers to Wavelength in metersWavelength in nanometers to Wavelength in millimetersWavelength in nanometers to Wavelength in micrometersWavelength in nanometers to Frequency in hertzWavelength in nanometers to Frequency in megahertzWavelength in nanometers to Frequency in gigahertzWavelength in nanometers to Frequency in terahertz
From Frequency in hertz (Hz)
Frequency in hertz to Wavelength in metersFrequency in hertz to Wavelength in millimetersFrequency in hertz to Wavelength in micrometersFrequency in hertz to Wavelength in nanometersFrequency in hertz to Frequency in megahertzFrequency in hertz to Frequency in gigahertzFrequency in hertz to Frequency in terahertz
From Frequency in megahertz (MHz)
Frequency in megahertz to Wavelength in metersFrequency in megahertz to Wavelength in millimetersFrequency in megahertz to Wavelength in micrometersFrequency in megahertz to Wavelength in nanometersFrequency in megahertz to Frequency in hertzFrequency in megahertz to Frequency in gigahertzFrequency in megahertz to Frequency in terahertz
From Frequency in gigahertz (GHz)
Frequency in gigahertz to Wavelength in metersFrequency in gigahertz to Wavelength in millimetersFrequency in gigahertz to Wavelength in micrometersFrequency in gigahertz to Wavelength in nanometersFrequency in gigahertz to Frequency in hertzFrequency in gigahertz to Frequency in megahertzFrequency in gigahertz to Frequency in terahertz
From Frequency in terahertz (THz)
Frequency in terahertz to Wavelength in metersFrequency in terahertz to Wavelength in millimetersFrequency in terahertz to Wavelength in micrometersFrequency in terahertz to Wavelength in nanometersFrequency in terahertz to Frequency in hertzFrequency in terahertz to Frequency in megahertzFrequency in terahertz to Frequency in gigahertz
Primary source
Definitions and standards
Conversion constants and definitions for this category are checked against BIPM definition of the speed of light.
See Methods & sources for rounding rules, exact-value handling, and review policy.
Questions
Frequency and Wavelength FAQ
What is the reference unit for frequency and wavelength conversions?
ConvertWin uses wavelength in meters (m) as the internal reference for this category, then converts to the selected output unit.
How accurate is this frequency and wavelength converter?
Vacuum propagation is assumed. A medium-specific velocity factor must be applied for practical cables and materials.