Introduction
Il existe de nombreuses gammes ou tempéraments. Cette gamme est appelée «tempérée» parce qu'elle divise l'octave en douze demi-tons parfaitement égaux.
| Octave 0 | Octave 1 | Octave 2 | Octave 3 | Octave 4 | |
| do | 32.70 | 65.41 | 130.8 | 261.6 | 523.3 |
| do# réb | 34.65 | 69.30 | 138.6 | 277.2 | 554.4 |
| ré | 36.71 | 73.42 | 146.8 | 293.7 | 587.3 |
| ré# mib | 38.89 | 77.78 | 155.6 | 311.1 | 622.3 |
| mi | 41.20 | 82.41 | 164.8 | 329.6 | 659.3 |
| fa | 43.65 | 87.31 | 174.6 | 349.2 | 698.5 |
| fa# solb | 46.25 | 92.50 | 185.0 | 370.0 | 740.0 |
| sol | 49.00 | 98.00 | 196.0 | 392.0 | 784.0 |
| sol# lab | 51.91 | 103.8 | 207.7 | 415.3 | 830.6 |
| la | 55.00 | 110.0 | 220.0 | 440.0 | 880.0 |
| la# sib | 58.27 | 116.5 | 233.1 | 466.2 | 932.3 |
| si | 61.74 | 123.5 | 246.9 | 493.9 | 987.8 |
| Octave 5 | Octave 6 | Octave 7 | Octave 8 | Octave 9 | |
| 1046.5 | 2093.0 | 4186.0 | 8372.0 | 16 744 | do |
| 1108.7 | 2217.5 | 4434.9 | 8869.8 | 17 740 | do# réb |
| 1174.7 | 2349.3 | 4698.6 | 9397.3 | 18 795 | ré |
| 1244.5 | 2489.0 | 4978.0 | 9956.1 | 19 912 | ré# mib |
| 1318.5 | 2637.0 | 5274.0 | 10 548 | 21 096 | mi |
| 1396.9 | 2793.8 | 5587.7 | 11 175 | 22 351 | fa |
| 1480.0 | 2960.0 | 5919.9 | 11 840 | 23 680 | fa# solb |
| 1568.0 | 3136.0 | 6271.9 | 12 544 | 25 088 | sol |
| 1661.2 | 3322.4 | 6644.9 | 13 290 | 26 580 | sol# lab |
| 1760.0 | 3520.0 | 7040.0 | 14 080 | 28 160 | la |
| 1864.7 | 3729.3 | 7458.6 | 14 917 | 29 834 | la# sib |
| 1975.5 | 3951.1 | 7902.1 | 15 804 | 31 609 | si |