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Physics Calculators ▶ Wavelength Calculator

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**Table of Content**

An online wavelength calculator is designed to evaluate the wavelength, wave velocity, and frequency of a wave. You can calculate any disturbance in a wave passing through a certain medium by using a wave calculator.

**“The wavelength is defined as the distance over which the entire shape of the wave repeats. This repetition happens after a fixed interval of time”**

The following equation may assist you in calculating the wavelength of a wave without trouble:

**λ = v/f**

Where;

**λ** = wavelength,

**v** = velocity of the wave,

**f** = frequency of the wave.

The number of waves per unit length is termed as wave number. It is always reciprocal to that of the wavelength. Every wave has its own specific wave number. It is measured in the units of waves per minute through this online wavelength calculator.

In order to determine the frequency to wavelength relationship, let us solve a few examples below:

**Example # 01:**

Determine the wavelength of the light in space bearing a frequency of 3 Hz.

**Solution:**

Speed of light in vacuum is given as:

**c = 300000000 m / s**

Using wavelength frequency equation, we have:

**λ = v/f**

**λ = 300000000 / 3**

**λ = 100000000 m**

In order to determine the wave number, you must assign to our free online wavelength to frequency calculator

This frequency to wavelength calculator requires a few inputs to calculate results with 100% accuracy. Let’s have a look at these!

**Input:**

- Select the parameter you wish to calculate
- Input all the values against each parameter
- Click ‘Calculate’

**Output:**

- Wavelength & Wave velocity
- Wave frequency & Wave number
- Step-by-step frequency wavelength calculation

Amplitude is the maximum distance covered by a wave from its equilibrium position.

A wave in which the vibration of the medium is in the direction of the wave is called longitudinal wave.

The direction of a transverse wave is always perpendicular to that of the medium in which it propagates.

Crests are the highest point of a transverse waves whereas the troughs are the lowest points.

For a longitudinal wave, the rarefactions and compressions are equal to crests and troughs for transverse waves.

From the source Wikipedia: Sinusoidal waves, Standing waves, General media, Wave packets, Interference and diffraction, Single-slit diffraction, Diffraction-limited resolution, Subwavelength, Angular wavelength

From the source Lumen Learning: AMPLITUDE AND WAVELENGTH, LIGHT WAVES, SOUND WAVES.

From the source Khan Academy: Standing waves on strings, Wavelength and frequency for a standing wave, Harmonics.