Frequency Wavelength Calculator
Frequency wavelength calculator
Solve wavelength or frequency from wave speed using v = f x lambda.
InputsPhysics4 fieldsLive
Result
2 m
Uses lambda = v / f.
Live update
Physics signal
Advanced options
Formula
lambda = v / f and f = v / lambda f = \frac{v}{\lambda} Symbol legend
| Symbol | Meaning | Unit | Copy |
|---|---|---|---|
v | Wave speed | m/s | |
f | Frequency | Hz | |
\lambda | Wavelength | m |
- Choose whether to solve wavelength or frequency.
- Enter wave speed and the known companion variable.
- Use division form of the wave equation to solve the unknown.
Example
Worked example: solve wavelength with v = 340 m/s and f = 170 Hz
- 1 Given v = 340 and f = 170
- 2 lambda = v / f = 340 / 170
- 3 lambda = 2
Wavelength is 2 m.
How
- Choose the solve mode in the selector.
- Enter wave speed and required known variable.
- Read the solved wavelength or frequency.
Avoid
- Choosing the wrong solve mode for the unknown.
- Using speed units inconsistent with wavelength units.
- Entering zero for frequency or wavelength.
FAQ
Can this solve frequency in kilohertz?
Yes, but convert to hertz for consistent SI calculations.
Why do I need wave speed as input?
Without wave speed, frequency and wavelength cannot be uniquely related.
Is this relation valid in any medium?
Yes, provided you use the wave speed for that specific medium.
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