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Tuning Fork
Tuning Fork
A440 reference pitch and other tuning frequencies.
Note
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Octave
2
3
4
5
6
7
A4 Reference (Hz)
Play
Current Frequency
440.00
Hz
A4 ยท A4 = 440 Hz
Tuning Presets
A4 = 440 Hz (Standard)
A4 = 432 Hz (Verdi)
Guitar Standard Tuning
E2
82.4 Hz
A2
110.0 Hz
D3
146.8 Hz
G3
196.0 Hz
B3
246.9 Hz
E4
329.6 Hz