(psst... click an underlined note name to hear it)
| MIDI Value | Note Name | Frequency in Hertz |
|---|---|---|
| 0 | 8.18 | |
| 1 | 8.66 | |
| 2 | 9.18 | |
| 3 | 9.72 | |
| 4 | 10.30 | |
| 5 | 10.91 | |
| 6 | 11.56 | |
| 7 | 12.25 | |
| 8 | 12.98 | |
| 9 | 13.75 | |
| 10 | 14.57 | |
| 11 | 15.43 | |
| 12 | 16.35 | |
| 13 | 17.32 | |
| 14 | 18.35 | |
| 15 | 19.45 | |
| 16 | 20.60 | |
| 17 | 21.83 | |
| 18 | 23.12 | |
| 19 | 24.50 | |
| 20 | 25.96 | |
| 21 | A0 | 27.50 |
| 22 | A♯0/B♭0 | 29.14 |
| 23 | B0 | 30.87 |
| 24 | C1 | 32.70 |
| 25 | C♯1/D♭1 | 34.65 |
| 26 | D1 | 36.71 |
| 27 | D♯1/E♭1 | 38.89 |
| 28 | E1 | 41.20 |
| 29 | F1 | 43.65 |
| 30 | F♯1/G♭1 | 46.25 |
| 31 | G1 | 49.00 |
| 32 | G♯1/A♭1 | 51.91 |
| 33 | A1 | 55.00 |
| 34 | A♯1/B♭1 | 58.27 |
| 35 | B1 | 61.74 |
| 36 | C2 | 65.41 |
| 37 | C♯2/D♭2 | 69.30 |
| 38 | D2 | 73.42 |
| 39 | D♯2/E♭2 | 77.78 |
| 40 | E2 | 82.41 |
| 41 | F2 | 87.31 |
| 42 | F♯2/G♭2 | 92.50 |
| 43 | G2 | 98.00 |
| 44 | G♯2/A♭2 | 103.83 |
| 45 | A2 | 110.00 |
| 46 | A♯2/B♭2 | 116.54 |
| 47 | B2 | 123.47 |
| 48 | C3 | 130.81 |
| 49 | C♯3/D♭3 | 138.59 |
| 50 | D3 | 146.83 |
| 51 | D♯3/E♭3 | 155.56 |
| 52 | E3 | 164.81 |
| 53 | F3 | 174.61 |
| 54 | F♯3/G♭3 | 185.00 |
| 55 | G3 | 196.00 |
| 56 | G♯3/A♭3 | 207.65 |
| 57 | A3 | 220.00 |
| 58 | A♯3/B♭3 | 233.08 |
| 59 | B3 | 246.94 |
| 60 | C4 | 261.63 |
| 61 | C♯4/D♭4 | 277.18 |
| 62 | D4 | 293.66 |
| 63 | D♯4/E♭4 | 311.13 |
| 64 | E4 | 329.63 |
| 65 | F4 | 349.23 |
| 66 | F♯4/G♭4 | 369.99 |
| 67 | G4 | 392.00 |
| 68 | G♯4/A♭4 | 415.30 |
| 69 | A4 | 440.00 |
| 70 | A♯4/B♭4 | 466.16 |
| 71 | B4 | 493.88 |
| 72 | C5 | 523.25 |
| 73 | C♯5/D♭5 | 554.37 |
| 74 | D5 | 587.33 |
| 75 | D♯5/E♭5 | 622.25 |
| 76 | E5 | 659.26 |
| 77 | F5 | 698.46 |
| 78 | F♯5/G♭5 | 739.99 |
| 79 | G5 | 783.99 |
| 80 | G♯5/A♭5 | 830.61 |
| 81 | A5 | 880.00 |
| 82 | A♯5/B♭5 | 932.33 |
| 83 | B5 | 987.77 |
| 84 | C6 | 1046.50 |
| 85 | C♯6/D♭6 | 1108.73 |
| 86 | D6 | 1174.66 |
| 87 | D♯6/E♭6 | 1244.51 |
| 88 | E6 | 1318.51 |
| 89 | F6 | 1396.91 |
| 90 | F♯6/G♭6 | 1479.98 |
| 91 | G6 | 1567.98 |
| 92 | G♯6/A♭6 | 1661.22 |
| 93 | A6 | 1760.00 |
| 94 | A♯6/B♭6 | 1864.66 |
| 95 | B6 | 1975.53 |
| 96 | C7 | 2093.00 |
| 97 | C♯7/D♭7 | 2217.46 |
| 98 | D7 | 2349.32 |
| 99 | D♯7/E♭7 | 2489.02 |
| 100 | E7 | 2637.02 |
| 101 | F7 | 2793.83 |
| 102 | F♯7/G♭7 | 2959.96 |
| 103 | G7 | 3135.96 |
| 104 | G♯7/A♭7 | 3322.44 |
| 105 | A7 | 3520.00 |
| 106 | A♯7/B♭7 | 3729.31 |
| 107 | B7 | 3951.07 |
| 108 | C8 | 4186.01 |
| 109 | C♯8/D♭8 | 4434.92 |
| 110 | D8 | 4698.64 |
| 111 | D♯8/E♭8 | 4978.03 |
| 112 | E8 | 5274.04 |
| 113 | F8 | 5587.65 |
| 114 | F♯8/G♭8 | 5919.91 |
| 115 | G8 | 6271.93 |
| 116 | G♯8/A♭8 | 6644.88 |
| 117 | A8 | 7040.00 |
| 118 | A♯8/B♭8 | 7458.62 |
| 119 | B8 | 7902.13 |
| 120 | C9 | 8372.02 |
| 121 | C♯9/D♭9 | 8869.84 |
| 122 | D9 | 9397.27 |
| 123 | D♯9/E♭9 | 9956.06 |
| 124 | E9 | 10548.08 |
| 125 | F9 | 11175.30 |
| 126 | F♯9/G♭9 | 11839.82 |
| 127 | G9 | 12543.85 |
| 128 | G♯9/A♭9 | 13289.75 |
(psst... this data is available to download)