無差距 (兩個音相等)

unison/ perfect unison

 C-C

相差1個半音                       

minor 2^nd         

 C-C#/Db

相差2個半音                       

major 2^nd

 C-D

相差3個半音           

minor 3^rd

 C-D#/Eb

相差4個半音                       

major 3^rd

 C-E

相差5個半音                       

perfect 4^th

 C-F

相差6個半音                       

augmented 4^th/ diminished 5^th/ tritone

 C-F#/Gb

相差7個半音                       

perfect 5^th

 C-G

相差8個半音

augmented 5^th/ minor 6^th

 C-G#/Ab

相差9個半音                       

major 6^th

 C-A

相差10個半音                     

minor 7^th

 C-Bb

相差11個半音                     

major 7^th

 C-B

相差12個半音                     

octave

 C-C’

八度加 minor 2nd             

minor 9^th         

 C-C#'/Db'

八度加 major 2nd                     

major 9^th

 C-D'

八度加 augmented 2nd      

augmented 9^th

 C-D#'

八度加 perfect 4th 

perfect 11^th

 C-F'

八度加 augmented 4th

augmented 11^th

 C-F#'/Gb'

八度加 minor 6th

minor 13^th

 C-G#/Ab'

八度加 major 6th            

major 13^th

 C-A'