Musical Notes
An octave is a doubling in frequency.
A musical octave has 12 notes.
Musical notes are seperated by a factor of 21/12 (approximately 1.059463)
| Frequencies in Hz |
| A | 27.500 | 55.000 | 110.000 | 220.000 | 440.000 | 880.000 | 1760.000 | 3520.000 | 7040.000 |
| A# | 29.135 | 58.270 | 116.541 | 233.082 | 466.164 | 932.328 | 1864.655 | 3729.310 | 7458.620 |
| B | 30.868 | 61.735 | 123.471 | 246.942 | 493.883 | 987.767 | 1975.533 | 3951.066 | 7902.133 |
| C | 32.703 | 65.406 | 130.813 | 261.626 | 523.251 | 1046.502 | 2093.005 | 4186.009 | 8372.018 |
| C# | 34.648 | 69.296 | 138.591 | 277.183 | 554.365 | 1108.731 | 2217.461 | 4434.922 | 8869.844 |
| D | 36.708 | 73.416 | 146.832 | 293.665 | 587.330 | 1174.659 | 2349.318 | 4698.636 | 9397.273 |
| D# | 38.891 | 77.782 | 155.563 | 311.127 | 622.254 | 1244.508 | 2489.016 | 4978.032 | 9956.063 |
| E | 41.203 | 82.407 | 164.814 | 329.628 | 659.255 | 1318.510 | 2637.020 | 5274.041 | 10548.082 |
| F | 43.654 | 87.307 | 174.614 | 349.228 | 698.456 | 1396.913 | 2793.826 | 5587.652 | 11175.303 |
| F# | 46.249 | 92.499 | 184.997 | 369.994 | 739.989 | 1479.978 | 2959.955 | 5919.911 | 11839.822 |
| G | 48.999 | 97.999 | 195.998 | 391.995 | 783.991 | 1567.982 | 3135.963 | 6271.927 | 12543.854 |
| Ad | 51.913 | 103.826 | 207.652 | 415.305 | 830.609 | 1661.219 | 3322.438 | 6644.875 | 13289.750 |