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Frequency & Pitch Calculator
Calculate frequency, period, wavelength, and note pitch from wave properties
Frequency (Hz)
100.00 Hz
Wavelength (m)
3.43 m
Wavelength (m)
0.78 m
Period (ms)
2.27 ms
Frequency
440.00 Hz
A4 — Concert pitch
About: The fundamental relationship between frequency f and period T is f = 1/T. Wavelength λ = v/f, where v is the wave speed in the medium. Musical notes follow the equal-temperament scale where each semitone is a factor of 21/12 above the previous. A4 (440 Hz) is the standard concert pitch.