Interval dictionary

This page gives examples of various intervals sorted from smallest to largest.

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Schisma (32805/32768, 1.95 cents)

Diaschisma (2048/2025, 19.55 cents)

Syntonic comma (81/80, 21.51 cents)

Pythagorean comma (531441/524288, 23.46 cents)

Septimal comma (64/63, 27.26 cents)

Diesis (128/125, 41.06 cents)

tridecimal comma (1053/1024, 48.35 cents)

Septimal quarter tone (36/35, 48.77 cents)

Equal-tempered quarter tone (50.00 cents)

Undecimal comma (33/32, 53.27 cents)

Lesser chromatic semitone (25/24, 70.67 cents)

Septimal minor second (21/20, 84.47 cents)

Greater chromatic semitone (135/128, 92.18 cents)

Just minor second (16/15, 111.73 cents)

Pythagorean minor second (256/243, 90.22 cents)

Pythagorean major second (9/8, 203.91 cents)

Supermajor second (8/7, 231.17 cents)

Septimal minor third (7/6, 266.87 cents)

Pythagorean minor third (32/27, 294.14 cents)

Just minor third (6/5, 315.64 cents)

Just major third (5/4, 386.31 cents)

Equal-tempered major third (400.00 cents)

Just perfect fourth (4/3, 498.05 cents)

Just diminished fifth (45/32, 590.22 cents)

Equal-tempered perfect fifth (700.00 cents)

Just perfect fifth (3/2, 701.96 cents)

Just minor sixth (8/5, 813.69 cents)

Just major sixth (5/3, 884.36 cents)

7-limit minor seventh (7/4, 968.83 cents)

Just minor seventh (9/5, 1017.60 cents)

Just major seventh (15/8, 1088.27 cents)

Perfect octave (2/1, 1200.00 cents)

See also