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Music
Music Frequency
Musical Frequency Calculator
Give frequency in Hertz
Frequency
Hz
KHz
Tuning
A4 = 415 Hz (Baroque pitch)
A4 = 432 Hz (Verdi's A)
A4 = 435 Hz (French 1800s)
A4 = 440 Hz (ISO standard)
A4 = 444 Hz (European alternative)
A4 = 466 Hz (Chorton pitch)
Temperament
Just/pure intonation (whole number ratios)
Equal temperament (2 ^ ¹/12 based) - standard
Calculate frequency!
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: A
4
= 440 Hz
C#4
Deviation
perfect C#4 = 277 Hz
-0.01 semitones
On a 88-key piano
References
Scales => frequencies
A440
Hertz
Semitone
Speed of Sound
Just Temperament
Equal Temperament
