Music Music Frequency

Musical Frequency Calculator

Frequency Calculation

Hertz

Cycles per second

277 Hz

Cycle length

seconds/cycle

3.61 msec

Wavelength

Speed of sound = 343 m/s (20 °C, air)

1.24 m

Note

Tuning: A₄ = 440 Hz

C#4

Deviation

perfect C#4 = 277 Hz

-0.01 semitones

On a 88-key piano

References

Scales => frequencies

Just Temperament

Equal Temperament