MIDI Note Number to Frequency Conversion Chart

MIDI Note Number to Frequency Conversion Chart

    MIDI Oct.:00
    Note Frequency     
C -1   0     8.1757989156 
Db-1   1     8.6619572180 
D -1   2     9.1770239974 
Eb-1   3     9.7227182413 
E -1   4    10.3008611535 
F -1   5    10.9133822323 
Gb-1   6    11.5623257097 
G -1   7    12.2498573744 
Ab-1   8    12.9782717994 
A -1   9    13.7500000000 
Bb-1  10    14.5676175474 
B -1  11    15.4338531643 

    MIDI Oct.:01
    Note Frequency     
C 0   12    16.3515978313 //16Hz Limit; Lower Hearing Threshold 2
Db0   13    17.3239144361 
D 0   14    18.3540479948 
Eb0   15    19.4454364826 
E 0   16    20.6017223071 //20Hz Limit; Lower Hearing Threshold 1
F 0   17    21.8267644646 
Gb0   18    23.1246514195 
G 0   19    24.4997147489 
Ab0   20    25.9565435987 
A 0   21    27.5000000000 // Pianoforte Starts Here
Bb0   22    29.1352350949 
B 0   23    30.8677063285 

    MIDI Oct.:02
    Note Frequency     
C 1   24    32.7031956626 
Db1   25    34.6478288721 
D 1   26    36.7080959897 
Eb1   27    38.8908729653 
E 1   28    41.2034446141 
F 1   29    43.6535289291 
Gb1   30    46.2493028390 
G 1   31    48.9994294977 
Ab1   32    51.9130871975 
A 1   33    55.0000000000 
Bb1   34    58.2704701898 
B 1   35    61.7354126570 
 
    MIDI Oct.:03
    Note Frequency      
C 2   36    65.4063913251 
Db2   37    69.2956577442 
D 2   38    73.4161919794 
Eb2   39    77.7817459305 
E 2   40    82.4068892282 
F 2   41    87.3070578583 
Gb2   42    92.4986056779 
G 2   43    97.9988589954 
Ab2   44   103.8261743950 
A 2   45   110.0000000000 
Bb2   46   116.5409403795 
B 2   47   123.4708253140 
 
    MIDI Oct.:04
    Note Frequency       
C 3   48   130.8127826503  
Db3   49   138.5913154884  
D 3   50   146.8323839587  
Eb3   51   155.5634918610  
E 3   52   164.8137784564  
F 3   53   174.6141157165  
Gb3   54   184.9972113558  
G 3   55   195.9977179909  
Ab3   56   207.6523487900  
A 3   57   220.0000000000  
Bb3   58   233.0818807590  
B 3   59   246.9416506281  
 
    MIDI Oct.:05
    Note Frequency       
C 4   60   261.6255653006 // Middle C 
Db4   61   277.1826309769  
D 4   62   293.6647679174  
Eb4   63   311.1269837221  
E 4   64   329.6275569129  
F 4   65   349.2282314330  
Gb4   66   369.9944227116  
G 4   67   391.9954359817  
Ab4   68   415.3046975799  
A 4   69   440.0000000000 // Standard Tuning Pitch  
Bb4   70   466.1637615181  
B 4   71   493.8833012561  
 
    MIDI Oct.:06
    Note Frequency       
C 5   72   523.2511306012  
Db5   73   554.3652619537  
D 5   74   587.3295358348  
Eb5   75   622.2539674442  
E 5   76   659.2551138257  
F 5   77   698.4564628660  
Gb5   78   739.9888454233  
G 5   79   783.9908719635  
Ab5   80   830.6093951599  
A 5   81   880.0000000000  
Bb5   82   932.3275230362  
B 5   83   987.7666025122 // Very close to 1kHz Test signal
 
    MIDI Oct.:07
    Note Frequency       
C 6   84  1046.5022612024 
Db6   85  1108.7305239075 
D 6   86  1174.6590716696 
Eb6   87  1244.5079348883 
E 6   88  1318.5102276515 
F 6   89  1396.9129257320 
Gb6   90  1479.9776908465 
G 6   91  1567.9817439270 
Ab6   92  1661.2187903198 
A 6   93  1760.0000000000 
Bb6   94  1864.6550460724 
B 6   95  1975.5332050245 

    MIDI Oct.:08
    Note Frequency       
C 7   96  2093.0045224048 
Db7   97  2217.4610478150 
D 7   98  2349.3181433393 
Eb7   99  2489.0158697766 
E 7  100  2637.0204553030 
F 7  101  2793.8258514640 
Gb7  102  2959.9553816931 
G 7  103  3135.9634878540 
Ab7  104  3322.4375806396 
A 7  105  3520.0000000000 
Bb7  106  3729.3100921447 
B 7  107  3951.0664100490 


    MIDI Oct.:09
    Note Frequency      
C 8  108  4186.0090448096 // Pianoforte Ends Here
Db8  109  4434.9220956300 
D 8  110  4698.6362866785 
Eb8  111  4978.0317395533 
E 8  112  5274.0409106059 
F 8  113  5587.6517029281 
Gb8  114  5919.9107633862 
G 8  115  6271.9269757080 
Ab8  116  6644.8751612791 
A 8  117  7040.0000000000 
Bb8  118  7458.6201842894 
B 8  119  7902.1328200980

    MIDI Oct.:10
    Note Frequency
C 9  120  8372.0180896192
Db9  121  8869.8441912599
D 9  122  9397.2725733570
Eb9  123  9956.0634791066
E 9  124 10548.0818212118
F 9  125 11175.3034058561
Gb9  126 11839.8215267723
G 9  127 12543.8539514160 //MIDI Note Numbering Limit
Ab9  --- 13289.7503225582         
A 9  --- 14080.0000000000        
Bb9  --- 14917.2403685788        
B 9  --- 15804.2656401960 //16000Hz limit; Upper Hearing Threshold 1       

         Oct:11
    Note Frequency
C 10 --- 16744.0361792384
C#10 --- 17739.6883825198
D 10 --- 18794.5451467114
Eb10 --- 19912.1269582132 //20000Hz limit; Upper Hearing Threshold 2
E 10 --- 21096.1636424236
F 10 --- -----.----------
F#10 --- -----.----------
G 10 --- -----.----------
Ab10 --- -----.----------
A 10 --- -----.----------
Bb10 --- -----.----------
B 10 --- -----.----------
NOTES: Middle C is note #60. Frequencies is in Hertz.