John Chalmers 19 tone Just Intonation scale

 Note degree

Interval

Value in cents

 Interval Name

1

1/1

0
 unison

2

21/20

84.46723
 minor semitone

3

16/15

111.7313
 minor diatonic semitone

4

9/8

203.9100
 major whole tone

5

7/6

266.8710
 septimal minor third

6

6/5

315.6414
 minor third

7

5/4

386.3139
 major third

8

21/16

470.7811
 narrow fourth

9

4/3

498.0452
 perfect fourth

10

7/5

582.5125
 septimal tritone

11

35/24

653.1849
 septimal diminished fifth

12

3/2

701.9553
 perfect fifth

13

63/40

786.4225
 -

14

8/5

813.6866
 minor sixth

15

5/3

884.3591
 major sixth

16

7/4

968.8264
 harmonic seventh

17

9/5

1017.596
 just minor seventh

18

28/15

1080.557
 grave major seventh

19

63/32

1172.736
 octave - septimal comma

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