This is a Virtual Piano with 88 keys tuned to A440. The frequency of each note is derived from the twelfth root of two.
| # | note | frequency |
| 1 | A-1 | 55 |
| 2 | Bb1 | 58.2705 |
| 3 | B-1 | 61.7354 |
| 4 | C-2 | 65.4064 |
| 5 | C#2 | 69.2957 |
| 6 | D-2 | 73.4162 |
| 7 | Eb2 | 77.7817 |
| 8 | E-2 | 82.4069 |
| 9 | F-2 | 87.3071 |
| 10 | F#2 | 92.4986 |
| 11 | G-2 | 97.9989 |
| 12 | Ab2 | 103.826 |
| 13 | A-2 | 110 |
| 14 | Bb2 | 116.541 |
| 15 | B-2 | 123.471 |
| 16 | C-3 | 130.813 |
| 17 | C#3 | 138.591 |
| 18 | D-3 | 146.832 |
| 19 | Eb3 | 155.563 |
| 20 | E-3 | 164.814 |
| 21 | F-3 | 174.614 |
| 22 | F#3 | 184.997 |
| 23 | G-3 | 195.998 |
| 24 | Ab3 | 207.652 |
| 25 | A-3 | 220 |
| 26 | Bb3 | 233.082 |
| 27 | B-3 | 246.942 |
| 28 | C-4 (middle C) | 261.626 |
| 29 | C#4 | 277.183 |
| 30 | D-4 | 293.665 |
| 31 | Eb4 | 311.127 |
| 32 | E-4 | 329.628 |
| 33 | F-4 | 349.228 |
| 34 | F#4 | 369.994 |
| 35 | G-4 | 391.995 |
| 36 | Ab4 | 415.305 |
| 37 | A440 | 440 |
| 38 | A#4 | 466.164 |
| 39 | B-4 | 493.883 |
| 40 | C-5 | 523.251 |
| 41 | C#5 | 554.365 |
| 42 | D-5 | 587.33 |
| 43 | Eb5 | 622.254 |
| 44 | E-5 | 659.255 |
| 45 | F-5 | 698.456 |
| 46 | F#5 | 739.989 |
| 47 | G-5 | 783.991 |
| 48 | Ab5 | 830.609 |
| 49 | A-5 | 880 |
| 50 | Bb5 | 932.328 |
| 51 | B-5 | 987.767 |
| 52 | C-6 | 1046.5 |
| 53 | C#6 | 1108.73 |
| 54 | D-6 | 1174.66 |
| 55 | Eb6 | 1244.51 |
| 56 | E-6 | 1318.51 |
| 57 | F-6 | 1396.91 |
| 58 | F#6 | 1479.98 |
| 59 | G-6 | 1567.98 |
| 60 | Ab6 | 1661.22 |
| 61 | A-6 | 1760 |
| 62 | Bb6 | 1864.66 |
| 63 | B-6 | 1975.53 |
| 64 | C-7 | 2093 |
| 65 | C#7 | 2217.46 |
| 66 | D-7 | 2349.32 |
| 67 | Eb7 | 2489.02 |
| 68 | E-7 | 2637.02 |
| 69 | F-7 | 2793.83 |
| 70 | F#7 | 2959.96 |
| 71 | G-7 | 3135.96 |
| 72 | Ab7 | 3322.44 |
| 73 | A-7 | 3520 |
| 74 | Bb7 | 3729.31 |
| 75 | B-7 | 3951.07 |
| 76 | C-8 | 4186.01 |
| 77 | C#8 | 4186.01 |
| 78 | D-8 | 4698.64 |
| 79 | Eb8 | 4978.03 |
| 80 | E-8 | 5274.04 |
| 81 | F-8 | 5587.65 |
| 82 | F#8 | 5919.91 |
| 83 | G-8 | 6271.93 |
| 84 | Ab8 | 6644.88 |
| 85 | A-8 | 7040 |
| 86 | Bb8 | 7458.62 |
| 87 | B-8 | 7902.13 |
| 88 | C-9 | 8372.02 |