Major, Minor, and Perfect Intervals

The table below shows you whether an interval is minor (m), major (M), or perfect (P) based on the number of semitones (row) and generic interval (column.)

	Unison	2nd	3rd	4th	5th	6th	7th	Octave
0	P
1		m
2		M
3			m
4			M
5				P
6
7					P
8						m
9						M
10							m
11							M
12								P