I often find myself creating binural beats that need to match the pitch of my music, so I created this handy chart as a reference.
Frequencies for equal-tempered scale, assuming A4 = 440 Hz and the speed of sound = 345 m/s = 1130 ft/s = 770 miles/hour
(“Middle C” is C4 )
| NOTE | FREQUENCY |
|---|---|
| C0 | 16.35 Hz |
| C#0/Db0 | 17.32 Hz |
| D0 | 18.35 Hz |
| D#0/Eb0 | 19.45 Hz |
| E0 | 20.6 Hz |
| F0 | 21.83 Hz |
| F#0/Gb0 | 23.12 Hz |
| G0 | 24.5 Hz |
| G#0/Ab0 | 25.96 Hz |
| A0 | 27.5 Hz |
| A#0/Bb0 | 29.14 Hz |
| B0 | 30.87 Hz |
| C1 | 32.7 Hz |
| C#1/Db1 | 34.65 Hz |
| D1 | 36.71 Hz |
| D#1/Eb1 | 38.89 Hz |
| E1 | 41.2 Hz |
| F1 | 43.65 Hz |
| F#1/Gb1 | 46.25 Hz |
| G1 | 49 Hz |
| G#1/Ab1 | 51.91 Hz |
| A1 | 55 Hz |
| A#1/Bb1 | 58.27 Hz |
| B1 | 61.74 Hz |
| C2 | 65.41 Hz |
| C#2/Db2 | 69.3 Hz |
| D2 | 73.42 Hz |
| D#2/Eb2 | 77.78 Hz |
| E2 | 82.41 Hz |
| F2 | 87.31 Hz |
| F#2/Gb2 | 92.5 Hz |
| G2 | 98 Hz |
| G#2/Ab2 | 103.83 Hz |
| A2 | 110 Hz |
| A#2/Bb2 | 116.54 Hz |
| B2 | 123.47 Hz |
| C3 | 130.81 Hz |
| C#3/Db3 | 138.59 Hz |
| D3 | 146.83 Hz |
| D#3/Eb3 | 155.56 Hz |
| E3 | 164.81 Hz |
| F3 | 174.61 Hz |
| F#3/Gb3 | 185 Hz |
| G3 | 196 Hz |
| G#3/Ab3 | 207.65 Hz |
| A3 | 220 Hz |
| A#3/Bb3 | 233.08 Hz |
| B3 | 246.94 Hz |
| C4 | 261.63 Hz |
| C#4/Db4 | 277.18 Hz |
| D4 | 293.66 Hz |
| D#4/Eb4 | 311.13 Hz |
| E4 | 329.63 Hz |
| F4 | 349.23 Hz |
| F#4/Gb4 | 369.99 Hz |
| G4 | 392 Hz |
| G#4/Ab4 | 415.3 Hz |
| A4 | 440 Hz |
| A#4/Bb4 | 466.16 Hz |
| B4 | 493.88 Hz |
| C5 | 523.25 Hz |
| C#5/Db5 | 554.37 Hz |
| D5 | 587.33 Hz |
| D#5/Eb5 | 622.25 Hz |
| E5 | 659.26 Hz |
| F5 | 698.46 Hz |
| F#5/Gb5 | 739.99 Hz |
| G5 | 783.99 Hz |
| G#5/Ab5 | 830.61 Hz |
| A5 | 880 Hz |
| A#5/Bb5 | 932.33 Hz |
| B5 | 987.77 Hz |
| C6 | 1046.5 Hz |
| C#6/Db6 | 1108.73 Hz |
| D6 | 1174.66 Hz |
| D#6/Eb6 | 1244.51 Hz |
| E6 | 1318.51 Hz |
| F6 | 1396.91 Hz |
| F#6/Gb6 | 1479.98 Hz |
| G6 | 1567.98 Hz |
| G#6/Ab6 | 1661.22 Hz |
| A6 | 1760 Hz |
| A#6/Bb6 | 1864.66 Hz |
| B6 | 1975.53 Hz |
| C7 | 2093 Hz |
| C#7/Db7 | 2217.46 Hz |
| D7 | 2349.32 Hz |
| D#7/Eb7 | 2489.02 |
| E7 | 2637.02 |
| F7 | 2793.83 |
| F#7/Gb7 | 2959.96 |
| G7 | 3135.96 |
| G#7/Ab7 | 3322.44 |
| A7 | 3520 |
| A#7/Bb7 | 3729.31 |
| B7 | 3951.07 |
| C8 | 4186.01 |
| C#8/Db8 | 4434.92 |
| D8 | 4698.64 |
| D#8/Eb8 | 4978.03 |
