Note/ Key#
Hertz
Stretch
Note/
Key#
Hertz Stretch
Octive
in
Cents
Octive
in Cents
----------------------------------------------------
-----------------------------------------------------
A/0
1
27.184
-20
F/4
45
349.03
-1
Bb/0
2
28.817
-19
Gb/4
46
369.78
-1
B/0
3
30.548
-18
G/4
47
391.77
-1
C/1
4
32.383
-17
A
b/4
48
415.30
-1
Db/1
5
34.329
-16
A/4
49
440.00 0
D/1
6
36.391
-15
Bb/4
50
466.16
0
Eb/1
7
38.578
-14
B/4
51
493.88
0
E/1
8
40.895
-13
C/5
52
523.25
0
F/1
9
43.352
-12
Db/5
53
554.37
0
Gb/1
10
45.956
-11
D/5
54
587.33 0
G/1
11
48.717
-10
Eb/5
55
622.61 + 1
A
b/1
12
51.644
- 9
E/5
56
659.64
+ 1
A/1
13
54.746
- 8
F/5
57
698.86 + 1
Bb/1
14
58.035
- 7
Gb/5
58
740.42 + 1
B/1
15
61.522
- 6
G/5
59
784.44 + 1
C/2
16
65.180
- 6
A
b/5
60
831.57
+ 2
Db/2
17
69.096
- 5
A/5
61
881.02 + 2
D/2
18
73.204
- 5
Bb/5
62
933.41
+ 2
Eb/2
19
77.602
- 4
B/5
63
988.91 + 2
E/2
20
82.217
- 4
C/6
64
1047.7
+ 2
F/2
21
87.106
- 4
Db/6
65
1110.7 + 3
Gb/2
22
92.285
-
4
D/6
66
1176.7 + 3
G/2
23
97.773
- 4
Eb/6
67
1246.7 + 3
A
b/2
24
103.65
- 3
E/6
68
1321.6
+ 4
A/2
25
109.81
- 3
F/6
69
1400.1
+ 4
Bb/2
26
116.34
-
3
Gb/6
70
1484.3
+ 5
B/2
27
123.26
- 3
G/6
71
1572.5
+ 5
C/3
28
130.59
- 3
A
b/6
72
1667.0
+ 6
Db/3
29
138.35
-
3
A/6
73
1766.1
+ 6
D/3
30
146.58
- 3
Bb/6
74
1872.2 + 7
Eb/3
31
155.29
- 3
B/6
75
1984.7
+ 8
E/3
32
164.53
- 3
C/7
76
2103.9
+ 9
F/3
33
174.31
- 3
Db/7
77
2230.3 +10
Gb/3
34
184.73
-
2.5
D/7
78
2430.2
+11
G/3
35
195.71
- 2.5
Eb/7
79
2506.3
+12
A
b/3
36
207.41
- 2
E/7
80
2656.9
+13
A/3
37
219.75
- 2
F/7
81
2818.1
+15
Bb/3
38
232.81
-
2
Gb/7
82
2989.2
+17
B/3
39
246.66
-
2
G/7
83
3170.6
+19
C/4
40
261.63
- 2
A
b/7
84
3363.0
+21
Db/4
41
276.86
-
2
A/7
85
3567.1
+23
D/4
42
293.33
- 2
Bb/7
86
3783.6 +25
Eb/4
43
310.86
- 1.5
B/7
87
4013.2 +27
E/4
44
329.44
- 1
C/8
88
4259.2
+30
Standard Pitch, A49 = 440.00 Hz
Values shown are Stretched for the
average Piano.
Copyright © 2008- Ted J. Mieske
All Rights Reserved.