Note Frequency Chart

    A simple reference table for musical notes and their frequencies in Hertz (Hz). Click on any of the frequencies to play a tone with that note/frequency, just make sure your volume is not set too high, the high frequencies can be especially intense.

    0 1 2 3 4 5 6 7 8
    C 16.35 32.7 65.41 130.81 261.63 523.25 1046.5 2093 4186
    C# 17.32 34.65 69.3 138.59 277.18 554.37 1108.73 2217.46 4434.92
    D 18.35 36.71 73.42 146.83 293.66 587.33 1174.66 2349.32 4698.63
    D# 19.45 38.89 77.78 155.56 311.13 622.25 1244.51 2489 4978
    E 20.6 41.2 82.41 164.81 329.63 659.25 1318.51 2637 5274
    F 21.83 43.65 87.31 174.61 349.23 698.46 1396.91 2793.83 5587.65
    F# 23.12 46.25 92.5 185 369.99 739.99 1479.98 2959.96 5919.91
    G 24.5 49 98 196 392 783.99 1567.98 3135.96 6271.93
    G# 25.96 51.91 103.83 207.65 415.3 830.61 1661.22 3322.44 6644.88
    A 27.5 55 110 220 440 880 1760 3520 7040
    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 7902.13

    the values are in Hertz (Hz), the top row represents the octave (from 0 to 8)


    Note that this note frequency chart is for an equal-tempered scale, and uses A4 at 440 Hz as the reference pitch. The A4 at 440 Hz is highlighted on the chart.

    Circle of fifths with major and minor keys adgcfebDAEBGCF mini circle of fifths