Wavelength Audio
Compute the wavelength in air of an audio frequency.
About Wavelength Audio
The wavelength is the speed of sound divided by frequency, and the speed itself rises slightly with warmer air temperature. Wavelength drives speaker spacing, mic placement and room reflections, because acoustic waves interact with objects near their size.
Formula
Wavelength Audio
Wavelength = speed of sound / frequency; c = 331.3 + 0.606 x temp C
- c
- Speed of sound in air at a given temperature (m/s)
Worked example
With the default values below, Wavelength Audio returns Wavelength of 0.343. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Frequencyaccepts 20–20,000 Hz
- 1,000 Hz
- Air temperatureaccepts -20–50 C
- 20 C
- Unitone of Meters, Feet, Inches
- Meters
Results
- Wavelength
- 0.343 m
- Speed of Sound
- 343.4 m/s
- Period
- 1.000 ms
Step by step
- 1Values used
- 2Wavelength Audio
- 3Wavelength= 0.343 m
- 4Speed of Sound= 343.4 m/s
- 5Period= 1.000 ms
Assumptions and limits
- The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax or fees or charges into account.
- Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Wavelength Audio calculated?
Wavelength = speed of sound / frequency; c = 331.3 + 0.606 x temp C The wavelength is the speed of sound divided by frequency, and the speed itself rises slightly with warmer air temperature.
Why does Wavelength Audio matter?
Wavelength drives speaker spacing, mic placement and room reflections, because acoustic waves interact with objects near their size.
What values do I need to enter?
This calculator takes 3 inputs: Frequency, Air temperature, Unit. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.