Signal Processing

Frequency / Period Converter

Move seamlessly between frequency, period, angular frequency and wavelength.

Frequency⇄Period

Wave propagationWave speedm/s

Angular frequency ω—

Wavelength λ—

Quarter period—

Half period—

Cycle fraction	Time	Phase

The reciprocal relationship

T = 1 / f and f = 1 / T

Frequency counts cycles per second; period is the time occupied by one cycle. Wavelength additionally depends on propagation speed: λ = c/f.