MIDI Notes and Frequencies |
The following chart shows the musical pitch and frequency associated to each MIDI Note in Sound Forge. A4 is at 440 Hz and middle C is C4 at 261.63 Hz. These values can differ, often by one octave, from values used by other manufacturers. To avoid having negative values, some MIDI sequencers and sound modules use C0 as MIDI Key 0, which then makes middle C C3 instead of the more standard C4. You can change the base that Sound Forge uses in the Preferences dialog.
The following frequencies are based on equal temperament tuning.
Pitch |
MIDI Key |
Frequency |
|
Pitch |
MIDI Key |
Frequency |
C -1 |
0 |
8.176 |
E 4 |
64 |
329.63 |
|
C# -1 |
1 |
8.662 |
F 4 |
65 |
349.23 |
|
D -1 |
2 |
9.177 |
F# 4 |
66 |
369.99 |
|
D# -1 |
3 |
9.723 |
G 4 |
67 |
391.99 |
|
E -1 |
4 |
10.301 |
G# 4 |
68 |
415.31 |
|
F -1 |
5 |
10.913 |
A 4 |
69 |
440.00 |
|
F# -1 |
6 |
11.562 |
A# 4 |
70 |
466.16 |
|
G -1 |
7 |
12.250 |
B 4 |
71 |
439.88 |
|
G# -1 |
8 |
12.978 |
C 5 |
72 |
523.25 |
|
A -1 |
9 |
13.750 |
C# 5 |
73 |
554.37 |
|
A# -1 |
10 |
14.568 |
D 5 |
74 |
587.33 |
|
B -1 |
11 |
15.434 |
D# 5 |
75 |
622.25 |
|
C 0 |
12 |
16.352 |
E 5 |
76 |
659.26 |
|
C# 0 |
13 |
17.324 |
F 5 |
77 |
698.46 |
|
D 0 |
14 |
18.354 |
F# 5 |
78 |
739.99 |
|
D# 0 |
15 |
19.445 |
G 5 |
79 |
783.99 |
|
E 0 |
16 |
20.601 |
G# 5 |
80 |
830.61 |
|
F 0 |
17 |
21.826 |
A 5 |
81 |
880.00 |
|
F# 0 |
18 |
23.124 |
A# 5 |
82 |
932.32 |
|
G 0 |
19 |
24.499 |
B 5 |
83 |
987.77 |
|
G# 0 |
20 |
25.956 |
C 6 |
84 |
1046.5 |
|
A 0 |
21 |
27.500 |
C# 6 |
85 |
1108.7 |
|
A# 0 |
22 |
29.135 |
D 6 |
86 |
1174.7 |
|
B 0 |
23 |
30.867 |
D# 6 |
87 |
1244.5 |
|
C 1 |
24 |
32.703 |
E 6 |
88 |
1318.5 |
|
C# 1 |
25 |
34.648 |
F 6 |
89 |
1396.9 |
|
D 1 |
26 |
36.708 |
F# 6 |
90 |
1480.0 |
|
D# 1 |
27 |
38.890 |
G 6 |
91 |
1568.0 |
|
E 1 |
28 |
41.203 |
G# 6 |
92 |
1661.2 |
|
F 1 |
29 |
43.653 |
A 6 |
93 |
1760.0 |
|
F# 1 |
30 |
46.249 |
A# 6 |
94 |
1864.7 |
|
G 1 |
31 |
48.999 |
B 6 |
95 |
1975.5 |
|
G# 1 |
32 |
51.913 |
C 7 |
96 |
2093.0 |
|
A 1 |
33 |
55.000 |
C# 7 |
97 |
2217.5 |
|
A# 1 |
34 |
58.270 |
D 7 |
98 |
2349.3 |
|
B 1 |
35 |
61.735 |
D# 7 |
99 |
2489.0 |
|
C 2 |
36 |
65.406 |
E 7 |
100 |
2637.0 |
|
C# 2 |
37 |
69.295 |
F 7 |
101 |
2793.8 |
|
D 2 |
38 |
73.416 |
F# 7 |
102 |
2960.0 |
|
D# 2 |
39 |
77.781 |
G 7 |
103 |
3136.0 |
|
E 2 |
40 |
82.406 |
G# 7 |
104 |
3322.4 |
|
F 2 |
41 |
87.307 |
A 7 |
105 |
3520.0 |
|
F# 2 |
42 |
92.499 |
A# 7 |
106 |
3729.3 |
|
G 2 |
43 |
97.998 |
B 7 |
107 |
3951.1 |
|
G# 2 |
44 |
103.82 |
C 8 |
108 |
4186.0 |
|
A 2 |
45 |
110.00 |
C# 8 |
109 |
4434.9 |
|
A# 2 |
46 |
116.54 |
D 8 |
110 |
4698.6 |
|
B 2 |
47 |
123.47 |
D# 8 |
111 |
4978.0 |
|
C 3 |
48 |
130.81 |
E 8 |
112 |
5274.0 |
|
C# 3 |
49 |
138.59 |
F 8 |
113 |
5587.7 |
|
D 3 |
50 |
146.83 |
F# 8 |
114 |
5919.9 |
|
D# 3 |
51 |
155.56 |
G 8 |
115 |
6271.9 |
|
E 3 |
52 |
164.81 |
G# 8 |
116 |
6644.9 |
|
F 3 |
53 |
174.61 |
A 8 |
117 |
7040.0 |
|
F# 3 |
54 |
184.99 |
A# 8 |
118 |
7458.6 |
|
G 3 |
55 |
195.99 |
B 8 |
119 |
7902.1 |
|
G# 3 |
56 |
207.65 |
C 9 |
120 |
8372.0 |
|
A 3 |
57 |
220.00 |
C# 9 |
121 |
8869.8 |
|
A# 3 |
58 |
233.08 |
D 9 |
122 |
9397.3 |
|
B 3 |
59 |
246.94 |
D# 9 |
123 |
9956.1 |
|
C 4 |
60 |
261.63 |
E 9 |
124 |
10548.1 |
|
C# 4 |
61 |
277.18 |
F 9 |
125 |
11175.3 |
|
D 4 |
62 |
293.66 |
F# 9 |
126 |
11839.8 |
|
D# 4 |
63 |
311.13 |
G 9 |
127 |
12543.9 |