31 Tone Equal Temperament

 Note degree

Value in cents

Nearest just interval

Difference in cents from just interval

Interval Name

1

0

1/1

0
 unison

2

38.710

45/44

-0.196
 1/5-tone

3

77.419

25/24

+6.746
 classic chromatic semitone

4

116.129

16/15

+4.398
 minor diatonic semitone

5

154.839

35/32

-0.301
 septimal neutral second

6

193.548

9/8

-10.362
 major whole tone

7

232.258

8/7

+1.084
 septimal whole tone

8

270.968

7/6

+4.097
 septimal minor third

9

309.677

6/5

-5.964
 minor third

10

348.387

11/9

+0.979
 undecimal neutral third

11

387.097

5/4

+0.783
 major third

12

425.806

32/25

-1.567
 classic diminished fourth

13

464.516

21/16

-6.265
 narrow fourth

14

503.226

4/3

+5.181
 perfect fourth

15

541.935

48/35

-4.881
 septimal augmented fourth

16

580.645

7/5

-1.868
 septimal tritone

17

619.355

10/7

+1.867
 Euler's tritone

18

658.065

35/24

+4.880
 septimal diminished fifth

19

696.774

3/2

-5.181
 perfect fifth

20

735.484

32/21

+6.265
 wide fifth

21

774.194

25/16

+1.566
 classic augmented fifth

22

812.903

8/5

-0.784
 minor sixth

23

851.613

18/11

-0.979
 undecimal neutral sixth

24

890.323

5/3

+5.964
 major sixth

25

929.032

12/7

-4.098
 septimal major sixth

26

967.742

7/4

-1.084
 harmonic seventh

27

1006.452

16/9

+10.361
 Pythagorean minor seventh

28

1045.161

11/6

-4.202
 21/4-tone, undecimal neutral seventh

29

1083.871

15/8

-4.398
 classic major seventh

30

1122.581

48/25

-6.747
 classic diminished octave

31

1161.290

63/32

-11.446
 octave - septimal comma

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