Intervals

Basics

Getting started out in music, I found it hard to think in terms of intervals. I kept trying to think in terms of semitones and the C-Major scale. These tables are meant to get one counting notes in intervals

What is the next interval name?

Interval 1	Interval 2
Unison (1)	Minor second(b2)
Minor second (b2)	Major second (2)
Second (2)	Minor third (3)
Minor third (b3)	Major third (3)
Perfect fourth (4)	Diminished fifth (b5)
Diminished fifth (b5)	Perfect fifth (5)
Perfect fifth (5)	Augmented fifth/Minor sixth (#5)
Augmented fifth/Minor sixth (#5)	Diminished seventh/Major sixth (6)
Diminished seventh/Major sixth (6)	Minor seventh (b7)
Minor seventh (b7)	Major seventh (7)
Major seventh (7)	Octave (8)
	memorize

What is the next interval name? (extended)

Question	Answer
Octave (8)	Flat ninth (b9)
Flat ninth (b9)	Ninth (9)
Ninth (9)	Sharp ninth (#9)
Sharp ninth (#9)	Flat eleventh (b11)
Flat eleventh (b11)	Eleventh (11)
Eleventh (11)	Sharp eleventh (#11)
Sharp eleventh (#11)	Blank Key
The nothing after #11	Flat thirteenth (b13)
Flat thirteenth (b13)	Thirteenth (13)
Thirteenth (13)	Sharp thirteenth (#13)
	memorize

What is the inverse of these intervals?

Question	Answer
Unison (1)	Octave (8)
Minor second (b2)	Major Seventh (7)
Second (2)	Minor seventh (b7)
Minor third (b3)	Diminished seventh/Major sixth (6)
Perfect fourth (4)	Augmented fifth/Minor sixth (#5)
Diminished fifth (b5)	Diminished fifth (b5)
Perfect fifth (5)	Perfect fourth (4)
Augmented fifth/Minor sixth (#5)	Major third (b3)
Diminished seventh/Major sixth (6)	Minor third (3)
Minor seventh (b7)	Second (2)
Major seventh (7)	Minor second (b2)
Octave (8)	Unison (1)
	memorize