Bohlen-Pierce scale. 13-tone equal division of 3/1

more information at the Bohlen-Pierce site

 Note degree

Value in cents

Bohlen-Pierce scale just interval

Difference in cents from just interval

Interval Name

1

0

1/1

0
 unison

2

146.304

27/25

+13
 great limma

3

292.608

25/21

-9
 quasi-tempered minor third

4

438.913

9/7

+3.829
 septimal major third

5

585.217

7/5

+2.704
 septimal tritone

6

731.521

75/49

-5
 Bohlen-Pierce fifth

7

877.825

5/3

-6.534
 major sixth

8

1024.130

9/5

+6.534
 just minor seventh

9

1170.434

49/25

+5
 Bohlen-Pierce eighth

10

1316.738

15/7

-2
 septimal minor ninth

11

1463.042

7/3

-3.829
 minimal 10th

12

1609.347

63/25

+9
 quasi-equal major tenth

13

1755.651

25/9

+13
 classic augmented 11th

14

 1901.955

 3/1

 0
 perfect 12th

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