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Handy Charts

Relationship of Notes to Frequency and Wavelenght
Equal-Tempered (Even-Tempered) Scale
Speed of sound = 343 m/s or 1125.33 ft/s at 20C
A4 = 440 Hz
MIDI No. Piano Key  Note  Frequency (Hz) Wavelength (cm) Wavelength (in) Wavelength (ft) Common Name
0   C-1 8.18 4195.31 1651.70 137.642  
1   C♯-1/D♭-1 8.66 3959.84 1559.00 129.916  
2   D-1 9.18 3737.60 1471.50 122.625  
3   D♯-1/E♭-1 9.72 3527.82 1388.91 115.742  
4   E-1 10.30 3329.82 1310.95 109.246  
5   F-1 10.91 3142.93 1237.38 103.115  
6   F♯-1/G♭-1 11.56 2966.53 1167.93 97.327  
7   G-1 12.25 2800.03 1102.38 91.865  
8   G♯-1/A♭-1 12.98 2642.88 1040.51 86.709  
9   A-1 13.75 2494.55 982.11 81.842  
10   A♯-1/B♭-1 14.57 2354.54 926.98 77.249  
11   B-1 15.43 2222.39 874.96 72.913  
12   C0 16.35 2097.65 825.85 68.821  
13   C♯0/D♭0 17.32 1979.92 779.50 64.958  
14   D0 18.35 1868.80 735.75 61.312  
15   D♯0/E♭0 19.45 1763.91 694.45 57.871  
16   E0 20.60 1664.91 655.48 54.623  
17   F0 21.83 1571.47 618.69 51.557  
18   F♯0/G♭0 23.12 1483.27 583.96 48.664  
19   G0 24.50 1400.02 551.19 45.932  
20   G♯0/A♭0 25.96 1321.44 520.25 43.354  
21 1 A0 27.50 1247.27 491.05 40.921  
22 2 A0/B0 29.14 1177.27 463.49 38.624  
23 3 B0 30.87 1111.19 437.48 36.457  
24 4 C1 32.70 1048.83 412.92 34.410  
25 5 C1/D1 34.65 989.96 389.75 32.479  
26 6 D1 36.71 934.40 367.87 30.656  
27 7 D1/E1 38.89 881.96 347.23 28.936  
28 8 E1 41.20 832.45 327.74 27.312  
29 9 F1 43.65 785.73 309.34 25.779  
30 10 F1/G1 46.25 741.63 291.98 24.332  
31 11 G1 49.00 700.01 275.59 22.966  
32 12 G1/A1 51.91 660.72 260.13 21.677  
33 13 A1 55.00 623.64 245.53 20.461  
34 14 A1/B1 58.27 588.63 231.75 19.312  
35 15 B1 61.74 555.60 218.74 18.228  
36 16 C2 65.41 524.41 206.46 17.205 Deep C
37 17 C2/D2 69.30 494.98 194.87 16.240  
38 18 D2 73.42 467.20 183.94 15.328  
39 19 D2/E2 77.78 440.98 173.61 14.468  
40 20 E2 82.41 416.23 163.87 13.656  
41 21 F2 87.31 392.87 154.67 12.889  
42 22 F2/G2 92.50 370.82 145.99 12.166  
43 23 G2 98.00 350.00 137.80 11.483  
44 24 G2/A2 103.83 330.36 130.06 10.839  
45 25 A2 110.00 311.82 122.76 10.230  
46 26 A2/B2 116.54 294.32 115.87 9.656  
47 27 B2 123.47 277.80 109.37 9.114  
48 28 C3 130.81 262.21 103.23 8.603 Low C
49 29 C3/D3 138.59 247.49 97.44 8.120  
50 30 D3 146.83 233.60 91.97 7.664  
51 31 D3/E3 155.56 220.49 86.81 7.234  
52 32 E3 164.81 208.11 81.93 6.828  
53 33 F3 174.61 196.43 77.34 6.445  
54 34 F3/G3 185.00 185.41 73.00 6.083  
55 35 G3 196.00 175.00 68.90 5.742  
56 36 G3/A3 207.65 165.18 65.03 5.419  
57 37 A3 220.00 155.91 61.38 5.115  
58 38 A3/B3 233.08 147.16 57.94 4.828  
59 39 B3 246.94 138.90 54.68 4.557  
60 40 C4 261.63 131.10 51.62 4.301 Middle C
61 41 C4/D4 277.18 123.75 48.72 4.060  
62 42 D4 293.66 116.80 45.98 3.832  
63 43 D4/E4 311.13 110.24 43.40 3.617  
64 44 E4 329.63 104.06 40.97 3.414  
65 45 F4 349.23 98.22 38.67 3.222  
66 46 F4/G4 369.99 92.70 36.50 3.041  
67 47 G4 392.00 87.50 34.45 2.871  
68 48 G4/A4 415.30 82.59 32.52 2.710  
69 49 A4 440.00 77.95 30.69 2.558 A440
70 50 A4/B4 466.16 73.58 28.97 2.414  
71 51 B4 493.88 69.45 27.34 2.279  
72 52 C5 523.25 65.55 25.81 2.151 Tenor C
73 53 C5/D5 554.37 61.87 24.36 2.030  
74 54 D5 587.33 58.40 22.99 1.916  
75 55 D5/E5 622.25 55.12 21.70 1.808  
76 56 E5 659.26 52.03 20.48 1.707  
77 57 F5 698.46 49.11 19.33 1.611  
78 58 F5/G5 739.99 46.35 18.25 1.521  
79 59 G5 783.99 43.75 17.22 1.435  
80 60 G5/A5 830.61 41.29 16.26 1.355  
81 61 A5 880.00 38.98 15.35 1.279  
82 62 A5/B5 932.33 36.79 14.48 1.207  
83 63 B5 987.77 34.72 13.67 1.139  
84 64 C6 1046.50 32.78 12.90 1.075 High C
85 65 C6/D6 1108.73 30.94 12.18 1.015  
86 66 D6 1174.66 29.20 11.50 0.958  
87 67 D6/E6 1244.51 27.56 10.85 0.904  
88 68 E6 1318.51 26.01 10.24 0.853  
89 69 F6 1396.91 24.55 9.67 0.806  
90 70 F6/G6 1479.98 23.18 9.12 0.760  
91 71 G6 1567.98 21.88 8.61 0.718  
92 72 G6/A6 1661.22 20.65 8.13 0.677  
93 73 A6 1760.00 19.49 7.67 0.639  
94 74 A6/B6 1864.66 18.39 7.24 0.604  
95 75 B6 1975.53 17.36 6.84 0.570  
96 76 C7 2093.00 16.39 6.45 0.538 Double High C
97 77 C7/D7 2217.46 15.47 6.09 0.507  
98 78 D7 2349.32 14.60 5.75 0.479  
99 79 D7/E7 2489.02 13.78 5.43 0.452  
100 80 E7 2637.02 13.01 5.12 0.427  
101 81 F7 2793.83 12.28 4.83 0.403  
102 82 F7/G7 2959.96 11.59 4.56 0.380  
103 83 G7 3135.96 10.94 4.31 0.359  
104 84 G7/A7 3322.44 10.32 4.06 0.339  
105 85 A7 3520.00 9.74 3.84 0.320  
106 86 A7/B7 3729.31 9.20 3.62 0.302  
107 87 B7 3951.07 8.68 3.42 0.285  
108 88 C8 4186.01 8.19 3.23 0.269  
109   C♯8/D♭8 4434.92 7.73 3.04 0.254  
110   D8 4698.64 7.30 2.87 0.240  
111   D♯8/E♭8 4978.03 6.89 2.71 0.226  
112   E8 5274.04 6.50 2.56 0.213  
113   F8 5587.65 6.14 2.42 0.201  
114   F♯8/G♭8 5919.91 5.79 2.28 0.190  
115   G8 6271.93 5.47 2.15 0.179  
116   G♯8/A♭8 6644.88 5.16 2.03 0.169  
117   A8 7040.00 4.87 1.92 0.160  
118   A♯8/B♭8 7458.62 4.60 1.81 0.151  
119   B8 7902.13 4.34 1.71 0.142  
120   C9 8372.02 4.10 1.61 0.134  
121   C♯9/D♭9 8869.84 3.87 1.52 0.127  
122   D9 9397.27 3.65 1.44 0.120  
123   D♯9/E♭9 9956.06 3.45 1.36 0.113  
124   E9 10548.08 3.25 1.28 0.107  
125   F9 11175.30 3.07 1.21 0.101  
126   F♯9/G♭9 11839.82 2.90 1.14 0.095  
127   G9 12543.85 2.73 1.08 0.090  
    G♯9/A♭9 13289.75 2.58 1.02 0.085  
    A9 14080.00 2.44 0.96 0.080  
    A♯9/B♭9 14917.24 2.30 0.91 0.075  
    B9 15804.27 2.17 0.85 0.071  



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