MIDI notes and frequencies
The following table shows the musical pitch and frequency associated with each MIDI note.
A5 is 440 Hz, and middle C is C5 at 261.63 Hz. These values can differ, often by one octave, from values used by other manufacturers. The
following frequencies are based on equal temperament tuning.
Pitch MIDI Key Frequency Pitch MIDI Key Frequency Pitch MIDI Key Frequency
C0 0 8.176 G3 43 97.998 D7 86 1174.7
C#-0 1 8.662 G#3 44 103.82 D#7 87 1244.5
D0 2 9.177 A3 45 110.00 E7 88 1318.5
D#0 3 9.723 A#3 46 116.54 F7 89 1396.9
E0 4 10.301 B3 47 123.47 F#7 90 1480.0
F0 5 10.913 C4 48 130.81 G7 91 1568.0
F#0 6 11.562 C#4 49 138.59 G#7 92 1661.2
G0 7 12.250 D4 50 146.83 A7 93 1760.0
G#0 8 12.978 D#4 51 155.56 A#7 94 1864.7
A0 9 13.750 E4 52 164.81 B7 95 1975.5
A#0 10 14.568 F4 53 174.61 C8 96 2093.0
B0 11 15.434 F#4 54 184.99 C#8 97 2217.5
C1 12 16.352 G4 55 195.99 D8 98 2349.3
C#1 13 17.324 G#4 56 207.65 D#8 99 2489.0
D1 14 18.354 A4 57 220.00 E8 100 2637.0
D#1 15 19.445 A#4 58 233.08 F8 101 2793.8
E1 16 20.601 B4 59 246.94 F#8 102 2960.0
F1 17 21.826 C5 60 261.63 G8 103 3136.0
F#1 18 23.124 C#5 61 277.18 G#8 104 3322.4
G1 19 24.499 D5 62 293.66 A8 105 3520.0
G#1 20 25.956 D#5 63 311.13 A#8 106 3729.3
A1 21 27.500 E5 64 329.63 B8 107 3951.1
A#1 22 29.135 F5 65 349.23 C9 108 4186.0
B1 23 30.867 F#5 66 369.99 C#9 109 4434.9
C2 24 32.703 G5 67 391.99 D9 110 4698.6
C#2 25 34.648 G#5 68 415.31 D#9 111 4978.0
D2 26 36.708 A5 69 440.00 E9 112 5274.0
D#2 27 38.890 A#5 70 466.16 F9 113 5587.7
E2 28 41.203 B5 71 439.88 F#9 114 5919.9
F2 29 43.653 C6 72 523.25 G9 115 6271.9
F#2 30 46.249 C#6 73 554.37 G#9 116 6644.9
G2 31 48.999 D6 74 587.33 A9 117 7040.0
G#2 32 51.913 D#6 75 622.25 A#9 118 7458.6
A2 33 55.000 E6 76 659.26 B9 119 7902.1
A#2 34 58.270 F6 77 698.46 C10 120 8372.0
B2 35 61.735 F#6 78 739.99 C#10 121 8869.8
C3 36 65.406 G6 79 783.99 D10 122 9397.3
C#3 37 69.295 G#6 80 830.61 D#10 123 9956.1
D3 38 73.416 A6 81 880.00 E10 124 10548.1
D#3 39 77.781 A#6 82 932.32 F10 125 11175.3
E3 40 82.406 B6 83 987.77 F#10 126 11839.8
F3 41 87.307 C7 84 1046.5 G10 127 12543.9
F#3 42 92.499 C#7 85 1108.7
220 | CHAPTER 12
