Pure 12th Equal Temperament
Note |
Cents |
C |
0.00 |
C# |
100.10 |
D |
200.21 |
D# |
300.31 |
E |
400.41 |
F |
500.51 |
F# |
600.62 |
G |
700.72 |
G# |
800.82 |
A |
900.93 |
A# |
1001.03 |
B |
1101.13 |
C |
1201.23 |
C# |
1301.34 |
D |
1401.44 |
D# |
1501.54 |
E |
1601.65 |
F |
1701.75 |
F# |
1801.85 |
G |
1901.96 |
The exact size in cents of any interval of Pure 12th Equal Temperament can be calculated by using the following formula:1200 × log23 × N/19N is the number of Semitones within an interval.
For example, N = 7 for all Fifths because each Fifth contains 7 Semitones, N = 12 for all Octaves because each Octave contains 12 Semitones and N = 19 for all Twelfths because each Twelfth contains 19 Semitones:Semitone = 1200 × log23 × 1/19 = 100.10 cents.Fifth = 1200 × log23 × 7/19 = 700.72 cents.Octave = 1200 × log23 × 12/19 = 1201.23 cents.Twelfth = 1200 × log23 × 19/19 = 1901.96 cents.
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Roshan Kakiya
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