MUSICAL PITCHES - Donald Byrd, Indiana University, rev. Nov. 2006 (based on http://www.people.virginia.edu/~pdr4h/pitch-freq.html) This table lists pitches with the ISO note names, frequencies (in Hertz), and MIDI note numbers. Frequencies are the standard ones, with A-440 and equal temperament. In equal temperament, an interval of 1 semitone has a frequency ratio of 2^(1/12), or ca. 1.05946 : 1. Therefore, the frequency in Hz of MIDI note number m is freq = 440 * 2^((m-69)/12) *PL, *PH = the lowest and highest notes of the piano (except for a few, notably certain Boesendorfers, that go down to F0 or even C0). *MC = middle C. Pitch / Freq / MIDI Pitch / Freq / MIDI Pitch / Freq / MIDI -------------------------------------------------------------------------------- C0 - 12 C4 261.626 60*MC C8 4186.009 108*PH C#0 - 13 C#4 277.183 61 C#8 4434.922 109 D0 - 14 D4 293.665 62 D8 4698.637 110 D#0 - 15 D#4 311.127 63 D#8 4978.032 111 E0 - 16 E4 329.628 64 E8 5274.042 112 F0 - 17 F4 349.228 65 F8 5587.652 113 F#0 - 18 F#4 369.994 66 F#8 5919.912 114 G0 - 19 G4 391.995 67 G8 6271.928 115 G#0 - 20 G#4 415.305 68 G#8 6644.876 116 A0 27.500 21*PL A4 440.000 69 A8 7040.000 117 A#0 29.135 22 A#4 466.164 70 A#8 7458.620 118 B0 30.868 23 B4 493.883 71 B8 7902.133 119 C1 32.703 24 C5 523.251 72 C9 8372.019 120 C#1 34.648 25 C#5 554.365 73 C#9 8869.845 121 D1 36.708 26 D5 587.330 74 D9 9397.273 122 D#1 38.891 27 D#5 622.254 75 D#9 9956.064 123 E1 41.203 28 E5 659.255 76 E9 10548.083 124 F1 43.654 29 F5 698.457 77 F9 11175.305 125 F#1 46.249 30 F#5 739.989 78 F#9 11839.823 126 G1 48.999 31 G5 783.991 79 G9 12543.855 127 G#1 51.913 32 G#5 830.609 80 G#9 13289.752 - A1 55.000 33 A5 880.000 81 A9 - - A#1 58.270 34 A#5 932.328 82 A#9 - - B1 61.735 35 B5 987.767 83 B9 - - C2 65.406 36 C6 1046.502 84 C#2 69.296 37 C#6 1108.731 85 D2 73.416 38 D6 1174.659 86 D#2 77.782 39 D#6 1244.508 87 E2 82.407 40 E6 1318.510 88 F2 87.307 41 F6 1396.913 89 F#2 92.499 42 F#6 1479.978 90 G2 97.999 43 G6 1567.982 91 G#2 103.826 44 G#6 1661.219 92 A2 110.000 45 A6 1760.000 93 A#2 116.541 46 A#6 1864.655 94 B2 123.471 47 B6 1975.533 95 C3 130.813 48 C7 2093.005 96 C#3 138.591 49 C#7 2217.461 97 D3 146.832 50 D7 2349.318 98 D#3 155.564 51 D#7 2489.016 99 E3 164.814 52 E7 2637.021 100 F3 174.614 53 F7 2793.826 101 F#3 184.997 54 F#7 2959.956 102 G3 195.998 55 G7 3135.964 103 G#3 207.652 56 G#7 3322.438 104 A3 220.000 57 A7 3520.000 105 A#3 233.082 58 A#7 3729.310 106 B3 246.942 59 B7 3951.066 107