Reference
Intervals
Musical intervals — symbol, name, interval number, and inversion.
12
intervals
0–11
semitones
6
inv. pairs
| st | symbol | name | number | inversion | |
|---|---|---|---|---|---|
| ▶ octave 1 12 | |||||
| # | 0 | P1 | Perfect Unison | 1 | P8 |
| # | 1 | m2 | Minor Second | 2 | M7 |
| # | 2 | M2 | Major Second | 2 | m7 |
| # | 3 | m3 | Minor Third | 3 | M6 |
| # | 4 | M3 | Major Third | 3 | m6 |
| # | 5 | P4 | Perfect Fourth | 4 | P5 |
| # | 6 | TT | Tritone | 4 | — |
| # | 7 | P5 | Perfect Fifth | 5 | P4 |
| # | 8 | m6 | Minor Sixth | 6 | M3 |
| # | 9 | M6 | Major Sixth | 6 | m3 |
| # | 10 | m7 | Minor Seventh | 7 | M2 |
| # | 11 | M7 | Major Seventh | 7 | m2 |
| ▶ octave 2 1 | |||||
| # | 12 | P8 | Perfect Octave | 8 | P1 |