Keyed JSON array of musical notes.

NoteFrequencies.json

{
  "C0": {
    "Frequency (Hz)":16.35,
    "Wavelength (cm)":2109.89
  },
  " C#0/Db0 ": {
    "Frequency (Hz)":17.32,
    "Wavelength (cm)":1991.47
  },
  "D0": {
    "Frequency (Hz)":18.35,
    "Wavelength (cm)":1879.69
  },
  " D#0/Eb0 ": {
    "Frequency (Hz)":19.45,
    "Wavelength (cm)":1774.2
  },
  "E0": {
    "Frequency (Hz)":20.6,
    "Wavelength (cm)":1674.62
  },
  "F0": {
    "Frequency (Hz)":21.83,
    "Wavelength (cm)":1580.63
  },
  " F#0/Gb0 ": {
    "Frequency (Hz)":23.12,
    "Wavelength (cm)":1491.91
  },
  "G0": {
    "Frequency (Hz)":24.5,
    "Wavelength (cm)":1408.18
  },
  " G#0/Ab0 ": {
    "Frequency (Hz)":25.96,
    "Wavelength (cm)":1329.14
  },
  "A0": {
    "Frequency (Hz)":27.5,
    "Wavelength (cm)":1254.55
  },
  " A#0/Bb0 ": {
    "Frequency (Hz)":29.14,
    "Wavelength (cm)":1184.13
  },
  "B0": {
    "Frequency (Hz)":30.87,
    "Wavelength (cm)":1117.67
  },
  "C1": {
    "Frequency (Hz)":32.7,
    "Wavelength (cm)":1054.94
  },
  " C#1/Db1 ": {
    "Frequency (Hz)":34.65,
    "Wavelength (cm)":995.73
  },
  "D1": {
    "Frequency (Hz)":36.71,
    "Wavelength (cm)":939.85
  },
  " D#1/Eb1 ": {
    "Frequency (Hz)":38.89,
    "Wavelength (cm)":887.1
  },
  "E1": {
    "Frequency (Hz)":41.2,
    "Wavelength (cm)":837.31
  },
  "F1": {
    "Frequency (Hz)":43.65,
    "Wavelength (cm)":790.31
  },
  " F#1/Gb1 ": {
    "Frequency (Hz)":46.25,
    "Wavelength (cm)":745.96
  },
  "G1": {
    "Frequency (Hz)":49,
    "Wavelength (cm)":704.09
  },
  " G#1/Ab1 ": {
    "Frequency (Hz)":51.91,
    "Wavelength (cm)":664.57
  },
  "A1": {
    "Frequency (Hz)":55,
    "Wavelength (cm)":627.27
  },
  " A#1/Bb1 ": {
    "Frequency (Hz)":58.27,
    "Wavelength (cm)":592.07
  },
  "B1": {
    "Frequency (Hz)":61.74,
    "Wavelength (cm)":558.84
  },
  "C2": {
    "Frequency (Hz)":65.41,
    "Wavelength (cm)":527.47
  },
  " C#2/Db2 ": {
    "Frequency (Hz)":69.3,
    "Wavelength (cm)":497.87
  },
  "D2": {
    "Frequency (Hz)":73.42,
    "Wavelength (cm)":469.92
  },
  " D#2/Eb2 ": {
    "Frequency (Hz)":77.78,
    "Wavelength (cm)":443.55
  },
  "E2": {
    "Frequency (Hz)":82.41,
    "Wavelength (cm)":418.65
  },
  "F2": {
    "Frequency (Hz)":87.31,
    "Wavelength (cm)":395.16
  },
  " F#2/Gb2 ": {
    "Frequency (Hz)":92.5,
    "Wavelength (cm)":372.98
  },
  "G2": {
    "Frequency (Hz)":98,
    "Wavelength (cm)":352.04
  },
  " G#2/Ab2 ": {
    "Frequency (Hz)":103.83,
    "Wavelength (cm)":332.29
  },
  "A2": {
    "Frequency (Hz)":110,
    "Wavelength (cm)":313.64
  },
  " A#2/Bb2 ": {
    "Frequency (Hz)":116.54,
    "Wavelength (cm)":296.03
  },
  "B2": {
    "Frequency (Hz)":123.47,
    "Wavelength (cm)":279.42
  },
  "C3": {
    "Frequency (Hz)":130.81,
    "Wavelength (cm)":263.74
  },
  " C#3/Db3 ": {
    "Frequency (Hz)":138.59,
    "Wavelength (cm)":248.93
  },
  "D3": {
    "Frequency (Hz)":146.83,
    "Wavelength (cm)":234.96
  },
  " D#3/Eb3 ": {
    "Frequency (Hz)":155.56,
    "Wavelength (cm)":221.77
  },
  "E3": {
    "Frequency (Hz)":164.81,
    "Wavelength (cm)":209.33
  },
  "F3": {
    "Frequency (Hz)":174.61,
    "Wavelength (cm)":197.58
  },
  " F#3/Gb3 ": {
    "Frequency (Hz)":185,
    "Wavelength (cm)":186.49
  },
  "G3": {
    "Frequency (Hz)":196,
    "Wavelength (cm)":176.02
  },
  " G#3/Ab3 ": {
    "Frequency (Hz)":207.65,
    "Wavelength (cm)":166.14
  },
  "A3": {
    "Frequency (Hz)":220,
    "Wavelength (cm)":156.82
  },
  " A#3/Bb3 ": {
    "Frequency (Hz)":233.08,
    "Wavelength (cm)":148.02
  },
  "B3": {
    "Frequency (Hz)":246.94,
    "Wavelength (cm)":139.71
  },
  "C4": {
    "Frequency (Hz)":261.63,
    "Wavelength (cm)":131.87
  },
  " C#4/Db4 ": {
    "Frequency (Hz)":277.18,
    "Wavelength (cm)":124.47
  },
  "D4": {
    "Frequency (Hz)":293.66,
    "Wavelength (cm)":117.48
  },
  " D#4/Eb4 ": {
    "Frequency (Hz)":311.13,
    "Wavelength (cm)":110.89
  },
  "E4": {
    "Frequency (Hz)":329.63,
    "Wavelength (cm)":104.66
  },
  "F4": {
    "Frequency (Hz)":349.23,
    "Wavelength (cm)":98.79
  },
  " F#4/Gb4 ": {
    "Frequency (Hz)":369.99,
    "Wavelength (cm)":93.24
  },
  "G4": {
    "Frequency (Hz)":392,
    "Wavelength (cm)":88.01
  },
  " G#4/Ab4 ": {
    "Frequency (Hz)":415.3,
    "Wavelength (cm)":83.07
  },
  "A4": {
    "Frequency (Hz)":440,
    "Wavelength (cm)":78.41
  },
  " A#4/Bb4 ": {
    "Frequency (Hz)":466.16,
    "Wavelength (cm)":74.01
  },
  "B4": {
    "Frequency (Hz)":493.88,
    "Wavelength (cm)":69.85
  },
  "C5": {
    "Frequency (Hz)":523.25,
    "Wavelength (cm)":65.93
  },
  " C#5/Db5 ": {
    "Frequency (Hz)":554.37,
    "Wavelength (cm)":62.23
  },
  "D5": {
    "Frequency (Hz)":587.33,
    "Wavelength (cm)":58.74
  },
  " D#5/Eb5 ": {
    "Frequency (Hz)":622.25,
    "Wavelength (cm)":55.44
  },
  "E5": {
    "Frequency (Hz)":659.25,
    "Wavelength (cm)":52.33
  },
  "F5": {
    "Frequency (Hz)":698.46,
    "Wavelength (cm)":49.39
  },
  " F#5/Gb5 ": {
    "Frequency (Hz)":739.99,
    "Wavelength (cm)":46.62
  },
  "G5": {
    "Frequency (Hz)":783.99,
    "Wavelength (cm)":44.01
  },
  " G#5/Ab5 ": {
    "Frequency (Hz)":830.61,
    "Wavelength (cm)":41.54
  },
  "A5": {
    "Frequency (Hz)":880,
    "Wavelength (cm)":39.2
  },
  " A#5/Bb5 ": {
    "Frequency (Hz)":932.33,
    "Wavelength (cm)":37
  },
  "B5": {
    "Frequency (Hz)":987.77,
    "Wavelength (cm)":34.93
  },
  "C6": {
    "Frequency (Hz)":1046.5,
    "Wavelength (cm)":32.97
  },
  " C#6/Db6 ": {
    "Frequency (Hz)":1108.73,
    "Wavelength (cm)":31.12
  },
  "D6": {
    "Frequency (Hz)":1174.66,
    "Wavelength (cm)":29.37
  },
  " D#6/Eb6 ": {
    "Frequency (Hz)":1244.51,
    "Wavelength (cm)":27.72
  },
  "E6": {
    "Frequency (Hz)":1318.51,
    "Wavelength (cm)":26.17
  },
  "F6": {
    "Frequency (Hz)":1396.91,
    "Wavelength (cm)":24.7
  },
  " F#6/Gb6 ": {
    "Frequency (Hz)":1479.98,
    "Wavelength (cm)":23.31
  },
  "G6": {
    "Frequency (Hz)":1567.98,
    "Wavelength (cm)":22
  },
  " G#6/Ab6 ": {
    "Frequency (Hz)":1661.22,
    "Wavelength (cm)":20.77
  },
  "A6": {
    "Frequency (Hz)":1760,
    "Wavelength (cm)":19.6
  },
  " A#6/Bb6 ": {
    "Frequency (Hz)":1864.66,
    "Wavelength (cm)":18.5
  },
  "B6": {
    "Frequency (Hz)":1975.53,
    "Wavelength (cm)":17.46
  },
  "C7": {
    "Frequency (Hz)":2093,
    "Wavelength (cm)":16.48
  },
  " C#7/Db7 ": {
    "Frequency (Hz)":2217.46,
    "Wavelength (cm)":15.56
  },
  "D7": {
    "Frequency (Hz)":2349.32,
    "Wavelength (cm)":14.69
  },
  " D#7/Eb7 ": {
    "Frequency (Hz)":2489.02,
    "Wavelength (cm)":13.86
  },
  "E7": {
    "Frequency (Hz)":2637.02,
    "Wavelength (cm)":13.08
  },
  "F7": {
    "Frequency (Hz)":2793.83,
    "Wavelength (cm)":12.35
  },
  " F#7/Gb7 ": {
    "Frequency (Hz)":2959.96,
    "Wavelength (cm)":11.66
  },
  "G7": {
    "Frequency (Hz)":3135.96,
    "Wavelength (cm)":11
  },
  " G#7/Ab7 ": {
    "Frequency (Hz)":3322.44,
    "Wavelength (cm)":10.38
  },
  "A7": {
    "Frequency (Hz)":3520,
    "Wavelength (cm)":9.8
  },
  " A#7/Bb7 ": {
    "Frequency (Hz)":3729.31,
    "Wavelength (cm)":9.25
  },
  "B7": {
    "Frequency (Hz)":3951.07,
    "Wavelength (cm)":8.73
  },
  "C8": {
    "Frequency (Hz)":4186.01,
    "Wavelength (cm)":8.24
  },
  " C#8/Db8 ": {
    "Frequency (Hz)":4434.92,
    "Wavelength (cm)":7.78
  },
  "D8": {
    "Frequency (Hz)":4698.63,
    "Wavelength (cm)":7.34
  },
  " D#8/Eb8 ": {
    "Frequency (Hz)":4978.03,
    "Wavelength (cm)":6.93
  },
  "E8": {
    "Frequency (Hz)":5274.04,
    "Wavelength (cm)":6.54
  },
  "F8": {
    "Frequency (Hz)":5587.65,
    "Wavelength (cm)":6.17
  },
  " F#8/Gb8 ": {
    "Frequency (Hz)":5919.91,
    "Wavelength (cm)":5.83
  },
  "G8": {
    "Frequency (Hz)":6271.93,
    "Wavelength (cm)":5.5
  },
  " G#8/Ab8 ": {
    "Frequency (Hz)":6644.88,
    "Wavelength (cm)":5.19
  },
  "A8": {
    "Frequency (Hz)":7040,
    "Wavelength (cm)":4.9
  },
  " A#8/Bb8 ": {
    "Frequency (Hz)":7458.62,
    "Wavelength (cm)":4.63
  },
  "B8": {
    "Frequency (Hz)":7902.13,
    "Wavelength (cm)":4.37
  }
}