Frequency to Wavelength Converter

Convert frequency to wavelength and vice versa using the speed of light

Calculate

Choose what to calculate

Input Values

Enter known value

Frequency (MHz)

1 MHz = 1,000,000 Hz

Medium

Refractive index: 1

Electromagnetic Spectrum

Radio Waves

3.000 kHz - 3.000 GHz

Microwaves

3.000 GHz - 300.000 GHz

Infrared

300.000 GHz - 430000.000 GHz

Visible Light

430000.000 GHz - 750000.000 GHz

Ultraviolet

750000.000 GHz - 30000000.000 GHz

X-Rays

30000000.000 GHz - 30000000000.000 GHz

Gamma Rays

30000000000.000 GHz - 3000000000000000.000 GHz

Result

Calculated wavelength

2.997925 m

Wavelength

In meters: 2.997925e+0 m

In nanometers: 2.998e+9 nm

Wave Equation

c = λ × f

Speed of Light = Wavelength × Frequency

c = Speed of light (2.998e+8 m/s in vacuum / space)

λ (lambda) = Wavelength (meters)

f = Frequency (Hertz)

Calculating: λ = c / f = 3.00e+8 / 100000000 = 2.997925 m

Common Examples

FM Radio (100 MHz): λ ≈ 3 m

WiFi 2.4 GHz: λ ≈ 12.5 cm

Visible Light (green): λ ≈ 550 nm

X-Rays: λ ≈ 0.01-10 nm

About Frequency to Wavelength Converter

Convert Between Frequency and Wavelength

This converter uses the fundamental wave equation c = λf to convert between frequency and wavelength of electromagnetic waves. The speed of light varies in different media based on the refractive index.

Features

Convert frequency to wavelength
Convert wavelength to frequency
Support for different media (vacuum, air, water, glass)
Automatic refractive index adjustment
Electromagnetic spectrum reference
Multiple unit formats
High precision calculations

Understanding the Relationship

Frequency and wavelength are inversely proportional. Higher frequency means shorter wavelength. The product of frequency and wavelength always equals the speed of light in that medium. This relationship is fundamental to understanding electromagnetic radiation.