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Comparing Harmonic Intervals

Primary Harmonic Harmonic amount Base360   Base 440   Base 100
1 unity 360   440.00 0.00 A 100.00 PU Perfect Unison
    (381.407)   466.164   Bb   m2 Minor Second
13 1/13 27.692   473.85 33.85   107.69  
11 1/11 32.727   480.00 40.00   109.09  
    (404.087)   493.884   B   M2 Major Second
7 1/7 51.429   502.86 62.86   114.29  
13 2/13 55.385   507.69 67.69   115.38  
11 2/11 65.454   520.00 80.00   118.18  
    (428.115)   523.252   C   m3 Minor Third
5 1/5 72   528.00 88.00   120.00  
13 3/13 83.077   541.54 101.54   123.08  
    (453.572)   554.366   Db   M3 Major Third
11 3/11 98.181   560.00 120.00   127.27  
7 2/7 102.86   565.71 125.71   128.57  
13 4/13 110.77   575.38 135.38   130.77  
3 1/3 120   586.67 146.67   133.33  
    (480.543)   587.330   D   P4 Perfect Fourth
11 4/11 130.91   600.00 160.00   136.36  
13 5/13 138.46   609.23 169.23   138.46  
5 2/5 144   616.00 176.00   140.00  
    (509.118)   622.254   Eb   D5 Diminished Fifth/A4 Augmented Fourth
7 3/7 154.29   628.57 188.57   142.86  
11 5/11 163.64   640.00 200.00   145.45  
13 5/13 166.15   609.23 169.23   138.46  
    (539.392)   659.2551   E   Perfect Fifth P5
2 1/2 180   660.00 220.00   150.00 P5 Perfect Fifth
13 7/13 189.89   676.92 236.92   153.85  
11 6/11 196.36   680.00 240.00   145.45  
7 4/7 205.71   691.43 251.43   157.14  
    (571.466)   698.456   F   m6 Minor Sixth/A5 Augmented Fifth
5 3/5 216   704.00 264.00   160.00  
13 8/13 217.02   710.77 270.77   161.54  
11 7/11 229.09   720.00 280.00   163.64  
3 2/3 240   733.33 293.33   166.67  
    (605.447)   739.88   Gb   M6 Major Sixth
13 9/13 244.14   744.62 304.62   169.23  
7 5/7 257.14   754.29 314.29   171.43  
11 8/11 261.82   760.00 320.00   172.73  
13 10/13 271.27   778.46 338.46   176.92  
    (641.449)   783.990   G   m7 Minor Seventh/A6 Augmented Sixth
5 4/5 288   792.00 352.00   180.00  
11 9/11 294.55   800.00 360.00   181.82  
13 11/13 298.4   812.31 372.31   184.62  
7 6/7 308.57   817.14 377.14   185.71  
    (679.592)   830.608   Ab   M7 Major Seventh
11 10/11 327.27   840.00 400.00   190.91  
13 12/13 332.31   846.15 406.15   192.31  
 
1 1 360   880.00 440.00 A 200.00 P8 Perfect Octave-


Last Updated on 3/19/01
By Michael Jordan
Email:
astro@lmi.net

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