The table below shows you whether an interval is diminished (d), minor (m), major (M), augmented (A), or perfect (P) based on the number of semitones (row) and generic interval (column.)
Unison | 2nd | 3rd | 4th | 5th | 6th | 7th | Octave | |
0 | P | d | ||||||
1 | A | m | ||||||
2 | M | d | ||||||
3 | A | m | ||||||
4 | M | d | ||||||
5 | A | P | ||||||
6 | A | d | ||||||
7 | P | d | ||||||
8 | A | m | ||||||
9 | M | d | ||||||
10 | A | m | ||||||
11 | M | d | ||||||
12 | A | P |