# How do you calculate the wavelength from speed?

##### 1 Answer
Jun 21, 2014

The equation needed is λ=v/f.

Usually the equation is stated in this form: v=fλ.

λ is the wavelength.
v is the wave speed.
f is the frequency.
(You may need to use this equation: $f = \frac{1}{T}$ if you are given the time period instead of frequency.)