How it works
Use periodic wave relation with the units stated beside the fields. This form solves for speed; enter the known quantities in Wavelength, Frequency.
Inputs and units
| Input | Example value | What to enter |
|---|---|---|
| Wavelength | 1.5 m | Formula symbol: λ. Required unit: m. Must be greater than zero. |
| Frequency | 4.5 Hz | Formula symbol: f. Required unit: Hz. Must be greater than zero. |
Worked example
Show example inputs and results
This example is generated by the same calculation engine using the starting values in the form. Your own inputs produce your own result.
- Wavelength
- 1.5 m
- Frequency
- 4.5 Hz
Complete example results
- Speed
- 6.75 m/s
Reading the result
The result solves for speed from the entered quantities. Check the result unit and the formula conditions before using it.
Questions and answers
Can I use the example values for my own calculation?
The example values illustrate the calculation. Replace every input with your own information, especially dates, rates and the selected operation.
When can I use the speed result?
This model uses positive magnitudes. Speed is phase speed; frequency and wavelength must describe the same wave. Supply the medium’s speed yourself.
Why are some results rounded?
Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.
Are my inputs sent to a server?
The calculator processes inputs in your browser. Its code does not send your values to a server.
Method sources: openstax.org