Equal Tempered Scale
f : frequency (hz)
|
Oct
|
|
0
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
7
|
|
Note
|
N
|
f
|
N
|
f
|
N
|
f
|
N
|
f
|
N
|
f
|
N
|
f
|
N
|
f
|
N
|
f
|
|
A
|
0
|
27.5000
|
12
|
55.0000
|
24
|
110.0000
|
36
|
220.0000
|
48
|
440.0000
|
60
|
880.0000
|
72
|
1760.000
|
84
|
3520.000
|
|
Bb
|
1
|
29.1352
|
13
|
58.2705
|
25
|
116.5409
|
37
|
233.0819
|
49
|
466.1638
|
61
|
932.3275
|
73
|
1864.655
|
85
|
3729.310
|
|
B
|
2
|
30.8677
|
14
|
61.7354
|
26
|
123.4708
|
38
|
246.9417
|
50
|
493.8833
|
62
|
987.7666
|
74
|
1975.533
|
86
|
3951.066
|
|
C
|
3
|
32.7032
|
15
|
65.4064
|
27
|
130.8128
|
39
|
261.6256
|
51
|
523.2511
|
63
|
1046.502
|
75
|
2093.005
|
87
|
4186.009
|
|
Db
|
4
|
34.6478
|
16
|
69.2957
|
28
|
138.5913
|
40
|
277.1826
|
52
|
554.3653
|
64
|
1108.731
|
76
|
2217.461
|
88
|
4434.922
|
|
D
|
5
|
36.7081
|
17
|
73.4162
|
29
|
146.8324
|
41
|
293.6648
|
53
|
587.3295
|
65
|
1174.659
|
77
|
2349.318
|
89
|
4698.636
|
|
Eb
|
6
|
38.8909
|
18
|
77.7817
|
30
|
155.5635
|
42
|
311.1270
|
54
|
622.2540
|
66
|
1244.508
|
78
|
2489.016
|
90
|
4978.032
|
|
E
|
7
|
41.2034
|
19
|
82.4069
|
31
|
164.8138
|
43
|
329.6276
|
55
|
659.2551
|
67
|
1318.510
|
79
|
2637.020
|
91
|
5274.041
|
|
F
|
8
|
43.6535
|
20
|
87.3071
|
32
|
174.6141
|
44
|
349.2282
|
56
|
698.4565
|
68
|
1396.913
|
80
|
2793.826
|
92
|
5587.652
|
|
Gb
|
9
|
46.2493
|
21
|
92.4986
|
33
|
184.9972
|
45
|
369.9944
|
57
|
739.9888
|
69
|
1479.978
|
81
|
2959.955
|
93
|
5919.911
|
|
G
|
10
|
48.9994
|
22
|
97.9989
|
34
|
195.9977
|
46
|
391.9954
|
58
|
783.9909
|
70
|
1567.982
|
82
|
3135.963
|
94
|
6271.927
|
|
Ab
|
11
|
51.9131
|
23
|
103.8262
|
35
|
207.6523
|
47
|
415.3047
|
59
|
830.6094
|
71
|
1661.219
|
83
|
3322.438
|
95
|
6644.875
|