View source for User Guide/Appendix/Musical Intervals in Cents

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{{Appendix}}
{|
|-
|Name of interval
|Frequency ratio (x)
|Cents
|-
|Unison
|1:1
|0
|-
|Minor second or semitone
|1.059463:1
|100
|-
|Semitone
|16:15
|111.731
|-
|Minor tone or lesser whole tone
|10:9
|182.404
|-
|Major second or whole tone
|1.122462:1
|200
|-
|Major tone or greater whole tone
|9:8
|203.910
|-
|Minor third
|1.189207:1
|300
|-
|Minor third
|6:5
|315.641
|-
|Major third
|5:4
|386.314
|-
|Major third
|1.259921:1
|400
|-
|Perfect fourth
|4:3
|498.045
|-
|Perfect fourth
|1.334840:1
|500
|-
|Augmented fourth
|45:32
|590.224
|-
|Augmented fourth
|1.414214:1
|600
|-
|Diminished fifth
|1.414214:1
|600
|-
|Diminished fifth
|64:45
|609.777
|-
|Perfect fifth
|1.498307:1
|700
|-
|Perfect fifth
|3:2
|701.955
|-
|Minor sixth
|1.587401:1
|800
|-
|Minor sixth
|8:5
|813.687
|-
|Major sixth
|5:3
|884.359
|-
|Major sixth
|1.681793:1
|900
|-
|Harmonic minor seventh
|7:4
|968.826
|-
|Grave minor seventh
|16:9
|996.091
|-
|Minor seventh
|1.781797:1
|1,000
|-
|Minor seventh
|9:5
|1,017.597
|-
|Major seventh
|15:8
|1,088.269
|-
|Major seventh
|1.887749:1
|1,100
|-
|Octave
|2:1
|1,200.000
|}

Table 13: Intervals in Cents corresponding to certain frequency ratiosNote: Cents = [1200.log10(f1/f2)] / log10(2) and x = (f1 / f2) = 2 ^ (Cents/1200)