Physics of Music - Notes

Frequencies for equal-tempered scale, A4 = 432 Hz

Other tuning choices, A4 =
 432   434   436   438   440   442   444   446 

Speed of Sound = 345 m/s = 1130 ft/s = 770 miles/hr
More about Speed of Sound

("Middle C" is C4 )

NoteFrequency (Hz)Wavelength (cm)
C0 16.05 2148.96
 C#0/Db0  17.01 2028.35
D0 18.02 1914.50
 D#0/Eb0  19.09 1807.05
E0 20.23 1705.63
F0 21.43 1609.90
 F#0/Gb0  22.70 1519.54
G0 24.05 1434.26
 G#0/Ab0  25.48 1353.76
A0 27.00 1277.78
 A#0/Bb0  28.61 1206.06
B0 30.31 1138.37
C1 32.11 1074.48
 C#1/Db1  34.02 1014.17
D1 36.04 957.25
 D#1/Eb1  38.18 903.53
E1 40.45 852.81
F1 42.86 804.95
 F#1/Gb1  45.41 759.77
G1 48.11 717.13
 G#1/Ab1  50.97 676.88
A1 54.00 638.89
 A#1/Bb1  57.21 603.03
B1 60.61 569.19
C2 64.22 537.24
 C#2/Db2  68.04 507.09
D2 72.08 478.63
 D#2/Eb2  76.37 451.76
E2 80.91 426.41
F2 85.72 402.47
 F#2/Gb2  90.82 379.89
G2 96.22 358.56
 G#2/Ab2  101.94 338.44
A2 108.00 319.44
 A#2/Bb2  114.42 301.52
B2 121.23 284.59
C3 128.43 268.62
 C#3/Db3  136.07 253.54
D3 144.16 239.31
 D#3/Eb3  152.74 225.88
E3 161.82 213.20
F3 171.44 201.24
 F#3/Gb3  181.63 189.94
G3 192.43 179.28
 G#3/Ab3  203.88 169.22
A3 216.00 159.72
 A#3/Bb3  228.84 150.76
B3 242.45 142.30
C4 256.87 134.31
 C#4/Db4  272.14 126.77
D4 288.33 119.66
 D#4/Eb4  305.47 112.94
E4 323.63 106.60
F4 342.88 100.62
 F#4/Gb4  363.27 94.97
G4 384.87 89.64
 G#4/Ab4  407.75 84.61
A4 432.00 79.86
 A#4/Bb4  457.69 75.38
B4 484.90 71.15
C5 513.74 67.15
 C#5/Db5  544.29 63.39
D5 576.65 59.83
 D#5/Eb5  610.94 56.47
E5 647.27 53.30
F5 685.76 50.31
 F#5/Gb5  726.53 47.49
G5 769.74 44.82
 G#5/Ab5  815.51 42.30
A5 864.00 39.93
 A#5/Bb5  915.38 37.69
B5 969.81 35.57
C6 1027.47 33.58
 C#6/Db6  1088.57 31.69
D6 1153.30 29.91
 D#6/Eb6  1221.88 28.24
E6 1294.54 26.65
F6 1371.51 25.15
 F#6/Gb6  1453.07 23.74
G6 1539.47 22.41
 G#6/Ab6  1631.01 21.15
A6 1728.00 19.97
 A#6/Bb6  1830.75 18.84
B6 1939.61 17.79
C7 2054.95 16.79
 C#7/Db7  2177.14 15.85
D7 2306.60 14.96
 D#7/Eb7  2443.76 14.12
E7 2589.07 13.33
F7 2743.03 12.58
 F#7/Gb7  2906.14 11.87
G7 3078.95 11.21
 G#7/Ab7  3262.03 10.58
A7 3456.00 9.98
 A#7/Bb7  3661.50 9.42
B7 3879.23 8.89
C8 4109.90 8.39
 C#8/Db8  4354.29 7.92
D8 4613.21 7.48
 D#8/Eb8  4887.52 7.06
E8 5178.15 6.66
F8 5486.06 6.29
 F#8/Gb8  5812.28 5.94
G8 6157.89 5.60
 G#8/Ab8  6524.06 5.29
A8 6912.00 4.99
 A#8/Bb8  7323.01 4.71
B8 7758.46 4.45

(To convert lengths in cm to inches, divide by 2.54)

More information on the equal tempered scale
Equations used for this table

Questions/Comments to: suits@mtu.edu


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