Note names and frequencies:- Key:- MIDI_0 - MIDI note number, starting at zero MIDI_1 - MIDI note number, starting at one Name_a - Note name convention, common on Yamaha products Name_b - Note name convention, International Standard (ISO) Name_c - Note name convention used in many software products Freq - Frequency in Hz, to 9 significant figures, assuming equal temperament and concert pitch of 440Hz Info - Information on certain notes (assuming no transpositions) MIDI_0 MIDI_1 Name_a Name_b Name_c Freq Info 0 1 C-2 C-1 C0 8.17579892 Lowest MIDI note 1 2 C#-2/Db-2 C#-1/Db-1 C#0/Db0 8.66195722 2 3 D-2 D-1 D0 9.17702400 3 4 D#-2/Eb-2 D#-1/Eb-1 D#0/Eb0 9.72271824 4 5 E-2 E-1 E0 10.3008612 5 6 F-2 F-1 F0 10.9133822 6 7 F#-2/Gb-2 F#-1/Gb-1 F#0/Gb0 11.5623257 7 8 G-2 G-1 G0 12.2498574 8 9 G#-2/Ab-2 G#-1/Ab-1 G#0/Ab0 12.9782718 9 10 A-2 A-1 A0 13.7500000 10 11 A#-2/Bb-2 A#-1/Bb-1 A#0/Bb0 14.5676175 11 12 B-2 B-1 B0 15.4338532 12 13 C-1 C0 C1 16.3515978 13 14 C#-1/Db-1 C#0/Db0 C#1/Db1 17.3239144 14 15 D-1 D0 D1 18.3540480 15 16 D#-1/Eb-1 D#0/Eb0 D#1/Eb1 19.4454365 16 17 E-1 E0 E1 20.6017223 Lowest audible note (for most people) 17 18 F-1 F0 F1 21.8267645 18 19 F#-1/Gb-1 F#0/Gb0 F#1/Gb1 23.1246514 19 20 G-1 G0 G1 24.4997147 20 21 G#-1/Ab-1 G#0/Ab0 G#1/Ab1 25.9565436 21 22 A-1 A0 A1 27.5000000 Lowest note on an 88-key piano 22 23 A#-1/Bb-1 A#0/Bb0 A#1/Bb1 29.1352351 23 24 B-1 B0 B1 30.8677063 (Low) B-string on a standard five-string bass guitar 24 25 C0 C1 C2 32.7031957 25 26 C#0/Db0 C#1/Db1 C#2/Db2 34.6478289 26 27 D0 D1 D2 36.7080960 27 28 D#0/Eb0 D#1/Eb1 D#2/Eb2 38.8908730 28 29 E0 E1 E2 41.2034446 (Low) E-string on a bass guitar 29 30 F0 F1 F2 43.6535289 30 31 F#0/Gb0 F#1/Gb1 F#2/Gb2 46.2493028 31 32 G0 G1 G2 48.9994295 32 33 G#0/Ab0 G#1/Ab1 G#2/Ab2 51.9130872 33 34 A0 A1 A2 55.0000000 34 35 A#0/Bb0 A#1/Bb1 A#2/Bb2 58.2704702 35 36 B0 B1 B2 61.7354127 Often the 7th string on a seven-string guitar 36 37 C1 C2 C3 65.4063913 Lowest note on a 49- or 61-key synth 37 38 C#1/Db1 C#2/Db2 C#3/Db3 69.2956577 38 39 D1 D2 D3 73.4161920 39 40 D#1/Eb1 D#2/Eb2 D#3/Eb3 77.7817459 40 41 E1 E2 E3 82.4068892 Low E-string on a guitar 41 42 F1 F2 F3 87.3070579 42 43 F#1/Gb1 F#2/Gb2 F#3/Gb3 92.4986057 43 44 G1 G2 G3 97.9988590 (High) G-string on a bass guitar 44 45 G#1/Ab1 G#2/Ab2 G#3/Ab3 103.826174 45 46 A1 A2 A3 110.000000 46 47 A#1/Bb1 A#2/Bb2 A#3/Bb3 116.540940 47 48 B1 B2 B3 123.470825 48 49 C2 C3 C4 130.812783 49 50 C#2/Db2 C#3/Db3 C#4/Db4 138.591315 50 51 D2 D3 D4 146.832384 51 52 D#2/Eb2 D#3/Eb3 D#4/Eb4 155.563492 52 53 E2 E3 E4 164.813778 53 54 F2 F3 F4 174.614116 54 55 F#2/Gb2 F#3/Gb3 F#4/Gb4 184.997211 55 56 G2 G3 G4 195.997718 56 57 G#2/Ab2 G#3/Ab3 G#4/Ab4 207.652349 57 58 A2 A3 A4 220.000000 58 59 A#2/Bb2 A#3/Bb3 A#4/Bb4 233.081881 59 60 B2 B3 B4 246.941651 60 61 C3 C4 C5 261.625565 Middle C 61 62 C#3/Db3 C#4/Db4 C#5/Db5 277.182631 62 63 D3 D4 D5 293.664768 63 64 D#3/Eb3 D#4/Eb4 D#5/Eb5 311.126984 64 65 E3 E4 E5 329.627557 High E-string on a guitar 65 66 F3 F4 F5 349.228231 66 67 F#3/Gb3 F#4/Gb4 F#5/Gb5 369.994423 67 68 G3 G4 G5 391.995436 68 69 G#3/Ab3 G#4/Ab4 G#5/Ab5 415.304698 69 70 A3 A4 A5 440.000000 Concert Pitch, 440Hz exactly 70 71 A#3/Bb3 A#4/Bb4 A#5/Bb5 466.163762 71 72 B3 B4 B5 493.883301 72 73 C4 C5 C6 523.251131 73 74 C#4/Db4 C#5/Db5 C#6/Db6 554.365262 74 75 D4 D5 D6 587.329536 75 76 D#4/Eb4 D#5/Eb5 D#6/Eb6 622.253967 76 77 E4 E5 E6 659.255114 77 78 F4 F5 F6 698.456463 78 79 F#4/Gb4 F#5/Gb5 F#6/Gb6 739.988845 79 80 G4 G5 G6 783.990872 80 81 G#4/Ab4 G#5/Ab5 G#6/Ab6 830.609395 81 82 A4 A5 A6 880.000000 82 83 A#4/Bb4 A#5/Bb5 A#6/Bb6 932.327523 83 84 B4 B5 B6 987.766603 84 85 C5 C6 C7 1046.50226 Highest note on a 49-key synth 85 86 C#5/Db5 C#6/Db6 C#7/Db7 1108.73052 Highest fretted note on a 21-fret guitar 86 87 D5 D6 D7 1174.65907 87 88 D#5/Eb5 D#6/Eb6 D#7/Eb7 1244.50793 88 89 E5 E6 E7 1318.51023 Highest fretted note on a 24-fret guitar 89 90 F5 F6 F7 1396.91293 90 91 F#5/Gb5 F#6/Gb6 F#7/Gb7 1479.97769 91 92 G5 G6 G7 1567.98174 92 93 G#5/Ab5 G#6/Ab6 G#7/Ab7 1661.21879 93 94 A5 A6 A7 1760.00000 94 95 A#5/Bb5 A#6/Bb6 A#7/Bb7 1864.65505 95 96 B5 B6 B7 1975.53321 96 97 C6 C7 C8 2093.00452 Highest note on a 61-key synth 97 98 C#6/Db6 C#7/Db7 C#8/Db8 2217.46105 98 99 D6 D7 D8 2349.31814 99 100 D#6/Eb6 D#7/Eb7 D#8/Eb8 2489.01587 100 101 E6 E7 E8 2637.02046 101 102 F6 F7 F8 2793.82585 102 103 F#6/Gb6 F#7/Gb7 F#8/Gb8 2959.95538 103 104 G6 G7 G8 3135.96349 104 105 G#6/Ab6 G#7/Ab7 G#8/Ab8 3322.43758 105 106 A6 A7 A8 3520.00000 106 107 A#6/Bb6 A#7/Bb7 A#8/Bb8 3729.31009 107 108 B6 B7 B8 3951.06641 108 109 C7 C8 C9 4186.00904 Highest note on an 88-key piano 109 110 C#7/Db7 C#8/Db8 C#9/Db9 4434.92210 110 111 D7 D8 D9 4698.63629 111 112 D#7/Eb7 D#8/Eb8 D#9/Eb9 4978.03174 112 113 E7 E8 E9 5274.04091 113 114 F7 F8 F9 5587.65170 114 115 F#7/Gb7 F#8/Gb8 F#9/Gb9 5919.91076 115 116 G7 G8 G9 6271.92698 116 117 G#7/Ab7 G#8/Ab8 G#9/Ab9 6644.87516 117 118 A7 A8 A9 7040.00000 118 119 A#7/Bb7 A#8/Bb8 A#9/Bb9 7458.62018 119 120 B7 B8 B9 7902.13282 120 121 C8 C9 C10 8372.01809 121 122 C#8/Db8 C#9/Db9 C#10/Db10 8869.84419 122 123 D8 D9 D10 9397.27257 123 124 D#8/Eb8 D#9/Eb9 D#10/Eb10 9956.06348 124 125 E8 E9 E10 10548.0818 125 126 F8 F9 F10 11175.3034 126 127 F#8/Gb8 F#9/Gb9 F#10/Gb10 11839.8215 127 128 G8 G9 G10 12543.8540 Highest MIDI note The highest audible note for most people is 20kHz, above that of the highest MIDI note. The pattern would continue... 128 129 G#8/Ab8 G#9/Ab9 G#10/Ab10 13289.7503 129 130 A8 A9 A10 14080.0000 130 131 A#8/Bb8 A#9/Bb9 A#10/Bb10 14917.2404 131 132 B8 B9 B10 15804.2656 132 133 C9 C10 C11 16744.0362 133 134 C#9/Db9 C#10/Db10 C#11/Db11 17739.6884 134 135 D9 D10 D11 18794.5451 135 136 D#9/Eb9 D#10/Eb10 D#11/Eb11 19912.1270 Highest audible note (for most people) 136 137 E9 E10 E11 21096.1636 137 138 F9 F10 F11 22350.6068 138 139 F#9/Gb9 F#10/Gb10 F#11/Gb11 23679.6431 139 140 G9 G10 G11 25087.7079 140 141 G#9/Ab9 G#10/Ab10 G#11/Ab11 26579.5006 141 142 A9 A10 A11 28160.0000 142 143 A#9/Bb9 A#10/Bb10 A#11/Bb11 29834.4807 143 144 B9 B10 B11 31608.5313 144 145 C10 C11 C12 33488.0724 Info provided by ArpChord, 19th April 2009 Website: www.arpchord.com