20 EDO
Keyboard
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Play scales and chords
Play:
Play chord:
Note details
| Note | Frequency (Hz) | Interval (cents) |
|---|---|---|
| 1 | 440.00 | 0.00 |
| 2 | 455.52 | 60.00 |
| 3 | 471.58 | 120.00 |
| 4 | 488.21 | 180.00 |
| 5 | 505.43 | 240.00 |
| 6 | 523.25 | 300.00 |
| 7 | 541.70 | 360.00 |
| 8 | 560.81 | 420.00 |
| 9 | 580.58 | 480.00 |
| 10 | 601.06 | 540.00 |
| 11 | 622.25 | 600.00 |
| 12 | 644.20 | 660.00 |
| 13 | 666.92 | 720.00 |
| 14 | 690.43 | 780.00 |
| 15 | 714.78 | 840.00 |
| 16 | 739.99 | 900.00 |
| 17 | 766.08 | 960.00 |
| 18 | 793.10 | 1020.00 |
| 19 | 821.07 | 1080.00 |
| 20 | 850.02 | 1140.00 |
| 21 | 880.00 | 1200.00 |
Comparison to just intonation
| Note | Interval | Diff (cents) |
|---|---|---|
| 1 | Unison | 0.00 |
| 2 | ||
| 3 | Minor second | 8.27 |
| 4 | Major second | -23.91 |
| 5 | ||
| 6 | Minor third | -15.64 |
| 7 | Major Third | -26.31 |
| 8 | ||
| 9 | Perfect fourth | -18.05 |
| 10 | ||
| 11 | Tritone | 9.78 |
| 12 | ||
| 13 | Perfect fifth | 18.04 |
| 14 | ||
| 15 | Minor sixth | 26.31 |
| 16 | Major sixth | 15.64 |
| 17 | ||
| 18 | Minor seventh | 2.40 |
| 19 | Major seventh | -8.27 |
| 20 | ||
| 21 | Perfect octave | 0.00 |
Comparison to 12 EDO
| Note | Interval | Diff (cents) |
|---|---|---|
| 1 | Unison | 0.00 |
| 2 | ||
| 3 | Minor second | 20.00 |
| 4 | Major second | -20.00 |
| 5 | ||
| 6 | Minor third | 0.00 |
| 7 | Major Third | -40.00 |
| 8 | ||
| 9 | Perfect fourth | -20.00 |
| 10 | ||
| 11 | Tritone | 0.00 |
| 12 | ||
| 13 | Perfect fifth | 20.00 |
| 14 | ||
| 15 | Minor sixth | 40.00 |
| 16 | Major sixth | 0.00 |
| 17 | ||
| 18 | Minor seventh | 20.00 |
| 19 | Major seventh | -20.00 |
| 20 | ||
| 21 | Perfect octave | 0.00 |