12 Tone Equal Tempered Scale

Frequency Table based on A4 = 440

C0 to B8 (Middle C = C4)

O C T A V E   N U M B E R
  0 1 2 3 4 5 6 7 8
C 16.35 32.70 65.41 130.81 261.63 523.25 1046.50 2093.00 4186.01
C# 17.32 34.65 69.30 138.59 277.18 554.37 1108.73 2217.46 4434.92
D 18.35 36.71 73.42 146.83 293.66 587.33 1174.66 2349.32 4698.64
D# 19.45 38.89 77.78 155.56 311.13 622.25 1244.51 2489.02 4978.03
E 20.60 41.20 82.41 164.81 329.63 659.26 1318.51 2637.02 5274.04
F 21.83 43.65 87.31 174.61 349.23 698.46 1396.91 2793.83 5587.65
F# 23.12 46.25 92.50 185.00 369.99 739.99 1479.98 2959.96 5919.91
G 24.50 49.00 98.00 196.00 392.00 783.99 1567.98 3135.96 6271.93
G# 25.96 51.91 103.83 207.65 415.30 830.61 1661.22 3322.44 6644.88
A 27.50 55.00 110.00 220.00 440.00 880.00 1760.00 3520.00 7040.00
A# 29.14 58.27 116.54 233.08 466.16 932.33 1864.66 3729.31 7458.62
B 30.87 61.74 123.47 246.94 493.88 987.77 1975.53 3951.07 7902.13

To use these Frequency Values, round to the nearest Integer