Wavelength Calculator
Find the wavelength of a wave from its speed and frequency, for sound, radio and light. Enter wave speed and frequency to see wavelength when you…
8 of 8 free uses remaining today
Find the wavelength of a wave from its speed and frequency, for sound, radio and light. Enter wave speed and frequency to see wavelength when you calculate.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
With the default inputs (wave speed = 343 m/s, frequency = 440 Hz), the results are: wavelength 0.7795 m.
Quick reference: wave speed vs result
Reference table based on the example values; it is not your calculation result.
| Wave speed (m/s) | Wavelength |
|---|---|
| 171.5 | 0.3898 m |
| 343 | 0.7795 m |
| 686 | 1.5591 m |
| 1,715 | 3.8977 m |
| 3,430 | 7.7955 m |
| 6,860 | 15.5909 m |
Frequently asked questions
What formula does this calculator use?
Wavelength = v ÷ f. Variables: v = wave speed in m/s, f = frequency in Hz.
What do I need to enter?
You need wave speed (m/s), frequency (Hz). Results update as you type.
What is an example result?
With the default inputs (wave speed = 343 m/s, frequency = 440 Hz), the results are: wavelength 0.7795 m.
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