| 12純正律 | 12平均律 | 19平均律 | ||||
| 音名 | 周波数比 | 周波数 | 音名 | 周波数 | 音名 | 周波数 |
| C | 1 | 264 | C | 264 | C | 264 |
| C#/D♭ | 16/15 | 281.6 | C#/D♭ | 279.6982569 | C# | 273.8089317 |
| D♭ | 283.9823148 | |||||
| D | 9/8 | 297 | D | 296.3299808 | D | 294.5336903 |
| D#/E♭ | 6/5 | 316.8 | D#/E♭ | 313.9506784 | D# | 305.4771026 |
| E♭ | 316.827118 | |||||
| E | 5/4 | 330 | E | 332.6191572 | E | 328.5988436 |
| E# | 340.8079483 | |||||
| F | 4/3 | 352 | F | 352.3977215 | F | 353.4706827 |
| F#/G♭ | 45/32 | 371.25 | F#/G♭ | 373.3523805 | F# | 366.6039017 |
| G♭ | 380.2250859 | |||||
| G | 3/2 | 396 | G | 395.5530683 | G | 394.3523659 |
| G#/A♭ | 8/5 | 422.4 | G#/A♭ | 419.0738777 | G# | 409.0045456 |
| A♭ | 424.2011276 | |||||
| Ａ | 5/3 | 440 | Ａ | 443.9933073 | A | 439.9623394 |
| A#/B♭ | 9/5 | 475.2 | A#/B♭ | 470.3945232 | A# | 456.3091597 |
| B♭ | 473.2633468 | |||||
| B | 15/8 | 495 | B | 498.3656371 | B | 490.8474674 |
| C | 2 | 528 | C | 528 | B# | 509.0849269 |
| C | 528 | |||||