Frequencies of musical notes for equal-tempered scale, A4 = 440 Hz.

Note Frequency (Hz) Comment
C0 16.35 Lowest hearing frequency (12 Hz) by humans under laboratory conditions.
C#0/Db0 17.32
D0 18.35
D#0/Eb0 19.45
E0 20.60 Lowest hearing frequency by humans under normal environment.
F0 21.83
F#0/Gb0 23.12
G0 24.50
G#0/Ab0 25.96
A0 27.50 Lowest note of Piano.
A#0/Bb0 29.14
B0 30.87
C1 32.70
C#1/Db1 34.65
D1 36.71
D#1/Eb1 38.89
E1 41.20 Lowest frequency (40 Hz) reproduced by club sound system.
F1 43.65
F#1/Gb1 46.25
G1 49.00
G#1/Ab1 51.91
A1 55.00
A#1/Bb1 58.27
B1 61.74
C2 65.41
C#2/Db2 69.30
D2 73.42
D#2/Eb2 77.78
E2 82.41
F2 87.31
F#2/Gb2 92.50
G2 98.00
G#2/Ab2 103.83
A2 110.00
A#2/Bb2 116.54
B2 123.47
C3 130.81
C#3/Db3 138.59
D3 146.83
D#3/Eb3 155.56
E3 164.81
F3 174.61
F#3/Gb3 185.00
G3 196.00
G#3/Ab3 207.65
A3 220.00
A#3/Bb3 233.08
B3 246.94
C4 261.63 Middle C.
C#4/Db4 277.18
D4 293.66
D#4/Eb4 311.13
E4 329.63
F4 349.23
F#4/Gb4 369.99
G4 392.00
G#4/Ab4 415.30
A4 440.00 Tuning reference note.
A#4/Bb4 466.16
B4 493.88
C5 523.25
C#5/Db5 554.37
D5 587.33
D#5/Eb5 622.25
E5 659.25
F5 698.46
F#5/Gb5 739.99
G5 783.99
G#5/Ab5 830.61
A5 880.00
A#5/Bb5 932.33
B5 987.77
C6 1046.50
C#6/Db6 1108.73
D6 1174.66
D#6/Eb6 1244.51
E6 1318.51
F6 1396.91
F#6/Gb6 1479.98
G6 1567.98
G#6/Ab6 1661.22
A6 1760.00
A#6/Bb6 1864.66
B6 1975.53
C7 2093.00
C#7/Db7 2217.46
D7 2349.32
D#7/Eb7 2489.02
E7 2637.02
F7 2793.83
F#7/Gb7 2959.96
G7 3135.96
G#7/Ab7 3322.44
A7 3520.00
A#7/Bb7 3729.31
B7 3951.07
C8 4186.01
C#8/Db8 4434.92
D8 4698.63
D#8/Eb8 4978.03
E8 5274.04
F8 5587.65
F#8/Gb8 5919.91
G8 6271.93
G#8/Ab8 6644.88
A8 7040.00
A#8/Bb8 7458.62
B8 7902.13