1 / 1
+ 0.00 cents

Unison

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81 / 80
+21.51 cents

Syntonic comma

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33 / 32
+53.27 cents

Undecimal comma

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21 / 20
+ 84.47 cents

Minor semitone

16 / 15
+111.73 cents

Minor diatonic semitone

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12 / 11
+150.64 cents

Undecimal neutral second,
3/4 tone

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11 / 10
+165.00 cents

Ptolemy's second,
4/5 tone

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10 / 9
+182.40 cents

Minor whole tone

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9 / 8
+203.91 cents

Major whole tone

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8 / 7
+231.17 cents

Septimal whole tone

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7 / 6
+266.87 cents

Septimal minor third

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32 / 27
+294.13 cents

Pythagorean minor third

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6 / 5
+315.64 cents

Just minor third

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11 / 9
+347.41 cents

Undecimal neutral third

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5 / 4
+386.31 cents

Just major third

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14 / 11
+417.51 cents

Undecimal diminished fourth

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9 / 7
+435.08 cents

Septimal major third,
Bohlen-Pierce third

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21 / 16
+470.78 cents

Septimal narrow fourth

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4 / 3
+ 498.04 cents

Perfect fourth

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27 / 20
+519.55 cents

Acute fourth,
Octave-inverted Ptolemaic wolf fifth

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11 / 8
+551.32 cents

Undecimal semi-augmented fourth

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7 / 5
+582.51 cents

Lesser septimal tritone,
Bohlen-Pierce fourth

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10 / 7
+617.49 cents

Greater septimal tritone

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16 / 11
+648.68 cents

Undecimal semi-diminished fifth

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40 / 27
+680.45 cents

Ptolemaic wolf fifth,
Grave fifth

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3 / 2
+701.96 cents

Perfect fifth

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32 / 21
+729.22

Septimal wide fifth

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14 / 9
+764.92 cents

Septimal minor sixth

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11 / 7
+782.49 cents

Undecimal augmented fifth

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8 / 5
+813.69

Just minor sixth

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18 / 11
+852.59

Undecimal neutral sixth

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5 / 3
+884.36 cents

Just major sixth,
Bohlen-Pierce sixth

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27 / 16
+905.87

Pythagorean major sixth

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12 / 7
+933.13

Septimal major sixth

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7 / 4
+968.83

Harmonic seventh

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16 / 9
+996.09 cents

Pythagorean minor seventh

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9 / 5
+1017.60 cents

Just minor seventh,
Bohlen-Pierce seventh

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20 / 11
+1035.00 cents

Octave-inverted Ptolemy's second

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11 / 6
+1049.36 cents

Undecimal neutral seventh

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15 / 8
+1088.27 cents

Just major seventh

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40 / 21
+1115.53 cents

Octave-inverted minor semitone

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64 / 33
+1146.73 cents

33rd subharmonic

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160 / 81
+1178.49 cents

Octave-inverted syntonic comma

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2 / 1
+1200 cents

Octave

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