Tuning Frequencies for equal-tempered scale, A 4 = 440 Hz Other tuning choices, A 4 = 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 C 4 )



Note Frequency (Hz) Wavelength (cm) C 0 16.35 2109.89 C# 0 /Db 0 17.32 1991.47 D 0 18.35 1879.69 D# 0 /Eb 0 19.45 1774.20 E 0 20.60 1674.62 F 0 21.83 1580.63 F# 0 /Gb 0 23.12 1491.91 G 0 24.50 1408.18 G# 0 /Ab 0 25.96 1329.14 A 0 27.50 1254.55 A# 0 /Bb 0 29.14 1184.13 B 0 30.87 1117.67 C 1 32.70 1054.94 C# 1 /Db 1 34.65 995.73 D 1 36.71 939.85 D# 1 /Eb 1 38.89 887.10 E 1 41.20 837.31 F 1 43.65 790.31 F# 1 /Gb 1 46.25 745.96 G 1 49.00 704.09 G# 1 /Ab 1 51.91 664.57 A 1 55.00 627.27 A# 1 /Bb 1 58.27 592.07 B 1 61.74 558.84 C 2 65.41 527.47 C# 2 /Db 2 69.30 497.87 D 2 73.42 469.92 D# 2 /Eb 2 77.78 443.55 E 2 82.41 418.65 F 2 87.31 395.16 F# 2 /Gb 2 92.50 372.98 G 2 98.00 352.04 G# 2 /Ab 2 103.83 332.29 A 2 110.00 313.64 A# 2 /Bb 2 116.54 296.03 B 2 123.47 279.42 C 3 130.81 263.74 C# 3 /Db 3 138.59 248.93 D 3 146.83 234.96 D# 3 /Eb 3 155.56 221.77 E 3 164.81 209.33 F 3 174.61 197.58 F# 3 /Gb 3 185.00 186.49 G 3 196.00 176.02 G# 3 /Ab 3 207.65 166.14 A 3 220.00 156.82 A# 3 /Bb 3 233.08 148.02 B 3 246.94 139.71 C 4 261.63 131.87 C# 4 /Db 4 277.18 124.47 D 4 293.66 117.48 D# 4 /Eb 4 311.13 110.89 E 4 329.63 104.66 F 4 349.23 98.79 F# 4 /Gb 4 369.99 93.24 G 4 392.00 88.01 G# 4 /Ab 4 415.30 83.07 A 4 440.00 78.41 A# 4 /Bb 4 466.16 74.01 B 4 493.88 69.85 C 5 523.25 65.93 C# 5 /Db 5 554.37 62.23 D 5 587.33 58.74 D# 5 /Eb 5 622.25 55.44 E 5 659.25 52.33 F 5 698.46 49.39 F# 5 /Gb 5 739.99 46.62 G 5 783.99 44.01 G# 5 /Ab 5 830.61 41.54 A 5 880.00 39.20 A# 5 /Bb 5 932.33 37.00 B 5 987.77 34.93 C 6 1046.50 32.97 C# 6 /Db 6 1108.73 31.12 D 6 1174.66 29.37 D# 6 /Eb 6 1244.51 27.72 E 6 1318.51 26.17 F 6 1396.91 24.70 F# 6 /Gb 6 1479.98 23.31 G 6 1567.98 22.00 G# 6 /Ab 6 1661.22 20.77 A 6 1760.00 19.60 A# 6 /Bb 6 1864.66 18.50 B 6 1975.53 17.46 C 7 2093.00 16.48 C# 7 /Db 7 2217.46 15.56 D 7 2349.32 14.69 D# 7 /Eb 7 2489.02 13.86 E 7 2637.02 13.08 F 7 2793.83 12.35 F# 7 /Gb 7 2959.96 11.66 G 7 3135.96 11.00 G# 7 /Ab 7 3322.44 10.38 A 7 3520.00 9.80 A# 7 /Bb 7 3729.31 9.25 B 7 3951.07 8.73 C 8 4186.01 8.24 C# 8 /Db 8 4434.92 7.78 D 8 4698.63 7.34 D# 8 /Eb 8 4978.03 6.93 E 8 5274.04 6.54 F 8 5587.65 6.17 F# 8 /Gb 8 5919.91 5.83 G 8 6271.93 5.50 G# 8 /Ab 8 6644.88 5.19 A 8 7040.00 4.90 A# 8 /Bb 8 7458.62 4.63 B 8 7902.13 4.37

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



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