Semitone multiplier
1.0594630943593
Semitone
Note
Frequency
Frequency














Middle A frequency
440




(cumulative)
(root multiply)


Multiplier for N semitones







































−72
A
6.875
6.875


−24 0.25













−71
A#
7.28380877372013
7.28380877372013


−23 0.26486577358982









Midi note no.


−70
B
7.71692658212691
7.71692658212692


−22 0.28061551207734









0


−69
C
8.17579891564368
8.17579891564368


−21 0.29730177875068









1


−68
C#
8.66195721802722
8.66195721802723


−20 0.31498026247372









2


−67
D
9.17702399741896
9.17702399741896


−19 0.33370996354251









3


−66
D#
9.722718241315
9.722718241315


−18 0.35355339059327









4


−65
E
10.3008611535272
10.3008611535272
(standard tuning)
−17 0.37457676921917









5


−64
F
10.9133822322813
10.9133822322813


−16 0.39685026299205









6


−63
F#
11.5623257097385
11.5623257097385


−15 0.42044820762686









7


−62
G
12.2498573744296
12.2498573744296


−14 0.44544935907017









8


−61
G#
12.9782717993732
12.9782717993733


−13 0.47193715634085









9


−60
A
13.75
13.75


−12 0.5









10


−59
A#
14.5676175474403
14.5676175474403


−11 0.52973154717965









11


−58
B
15.4338531642538
15.4338531642538


−10 0.56123102415469









12


−57
C
16.3515978312874
16.3515978312874


−9 0.59460355750136









13


−56
C#
17.3239144360545
17.3239144360545


−8 0.62996052494744









14


−55
D
18.3540479948379
18.3540479948379


−7 0.66741992708502









15


−54
D#
19.44543648263
19.44543648263


−6 0.70710678118655









16


−53
E
20.6017223070543
20.6017223070543


−5 0.74915353843834









17


−52
F
21.8267644645627
21.8267644645627


−4 0.7937005259841









18


−51
F#
23.1246514194771
23.1246514194771


−3 0.84089641525371









19


−50
G
24.4997147488593
24.4997147488593


−2 0.89089871814034









20
Piano key no.
−49
G#
25.9565435987465
25.9565435987465


−1 0.94387431268169









21
1
−48
A
27.5
27.5
Piano, low A
0 1









22
2
−47
A#
29.1352350948806
29.1352350948806


1 1.0594630943593









23
3
−46
B
30.8677063285077
30.8677063285077
5-string bass low B string open
2 1.12246204830937









24
4
−45
C
32.7031956625748
32.7031956625748


3 1.18920711500272









25
5
−44
C#
34.6478288721089
34.6478288721089


4 1.25992104989487









26
6
−43
D
36.7080959896759
36.7080959896759


5 1.33483985417003









27
7
−42
D#
38.89087296526
38.89087296526


6 1.4142135623731









28
8
−41
E
41.2034446141087
41.2034446141087
4-string bass low E string open
7 1.49830707687668









29
9
−40
F
43.6535289291254
43.6535289291254


8 1.5874010519682









30
10
−39
F#
46.2493028389542
46.2493028389542


9 1.68179283050743









31
11
−38
G
48.9994294977186
48.9994294977186


10 1.78179743628068









32
12
−37
G#
51.913087197493
51.9130871974931


11 1.88774862536339









33
13
−36
A
55
55


12 2









34
14
−35
A#
58.2704701897611
58.2704701897612


13 2.11892618871859









35
15
−34
B
61.7354126570154
61.7354126570154


14 2.24492409661875









36
16
−33
C
65.4063913251495
65.4063913251496


15 2.37841423000544









37
17
−32
C#
69.2956577442179
69.2956577442179


16 2.51984209978975









38
18
−31
D
73.4161919793518
73.4161919793518


17 2.66967970834007









39
19
−30
D#
77.7817459305201
77.7817459305201


18 2.82842712474619









40
20
−29
E
82.4068892282174
82.4068892282174
Guitar, low E open
19 2.99661415375337









41
21
−28
F
87.3070578582508
87.3070578582509


20 3.1748021039364









42
22
−27
F#
92.4986056779085
92.4986056779085


21 3.36358566101486









43
23
−26
G
97.9988589954372
97.9988589954372
4 or 5 string bass, high G open
22 3.56359487256136









44
24
−25
G#
103.826174394986
103.826174394986


23 3.77549725072678









45
25
−24
A
110
110
Guitar, 5th string open
24 4









46
26
−23
A#
116.540940379522
116.540940379522














47
27
−22
B
123.470825314031
123.470825314031














48
28
−21
C
130.812782650299
130.812782650299
6-string bass, high C open












49
29
−20
C#
138.591315488436
138.591315488436














50
30
−19
D
146.832383958704
146.832383958704
Guitar, 4th string open












51
31
−18
D#
155.56349186104
155.56349186104














52
32
−17
E
164.813778456435
164.813778456435














53
33
−16
F
174.614115716502
174.614115716502














54
34
−15
F#
184.997211355817
184.997211355817














55
35
−14
G
195.997717990874
195.997717990875
Guitar, 3rd string open
Violin, low G open









56
36
−13
G#
207.652348789972
207.652348789972














57
37
−12
A
220
220














58
38
−11
A#
233.081880759045
233.081880759045














59
39
−10
B
246.941650628062
246.941650628062
Guitar, 2nd string open












60
40
−9
C
261.625565300599
261.625565300599
Piano, middle C












61
41
−8
C#
277.182630976872
277.182630976872














62
42
−7
D
293.664767917407
293.664767917407


Violin, 3rd string open









63
43
−6
D#
311.126983722081
311.126983722081














64
44
−5
E
329.62755691287
329.62755691287
Guitar, 1st string open












65
45
−4
F
349.228231433004
349.228231433004







Scale (inches) Scale (cm)

Scale (inches) Scale (cm)

66
46
−3
F#
369.994422711634
369.994422711634







25.5 64.77

25.511811023622 64.8

67
47
−2
G
391.995435981749
391.995435981749





Fret
Distance from nut Distance from nut
Fret Distance from nut Distance from nut

68
48
−1
G#
415.304697579945
415.304697579945














69
49
0
A
440
440
Tuning-fork A
Violin, 2nd string open
0
0 0
0 0 0

70
50
1
A#
466.16376151809
466.16376151809





1
1.43120502661682 3.63526076760672
1 1.43186792843554 3.63694453822627

71
51
2
B
493.883301256124
493.883301256124





2
2.78208268742135 7.06649002605023
2 2.78337128523859 7.06976306450601

72
52
3
C
523.251130601197
523.251130601197





3
4.05714141103028 10.3051391840169
3 4.05902058722807 10.3099122915593

73
53
4
C#
554.365261953744
554.365261953744





4
5.26063658740546 13.3620169320099
4 5.26307319536628 13.3682059162303

74
54
5
D
587.329535834815
587.329535834815





5
6.39658476982232 16.2473253153487
5 6.39954752330533 16.2548507091955

75
55
6
D#
622.253967444162
622.253967444162





6
7.46877707974304 18.9706937825473
6 7.47223644846919 18.9794805791117

76
56
7
E
659.25511382574
659.25511382574
Guitar, 1st string 12 fret
Violin, 1st string open
7
8.48079185933207 21.5412113227034
7 8.48471997042949 21.5511887248909

77
57
8
F
698.456462866008
698.456462866008





8
9.43600661384037 23.9674567991545
8 9.44037715882131 23.9785579834061

78
58
9
F#
739.988845423269
739.988845423269





9
10.3376092837153 26.2575275806369
9 10.342397430674 26.2696894739118

79
59
10
G
783.990871963499
783.990871963499





10
11.1886088840555 28.419066565501
10 11.1937911947938 28.4322296347763

80
60
11
G#
830.609395159891
830.609395159891





11
11.991845546919 30.4592876891742
11 11.997399898724 30.4733957427588

81
61
12
A
880
880





12
12.75 32.385
12 12.755905511811 32.4

82
62
13
A#
932.32752303618
932.32752303618





13
13.4656025133084 34.2026303838034
13 13.4718394760288 34.2184722691131

83
63
14
B
987.766602512249
987.766602512249
Guitar, 1st string 19 fret



14
14.1410413437107 35.9182450130251
14 14.1475911544303 35.934881532253

84
64
15
C
1046.50226120239
1046.5022612024





15
14.7785707055151 37.5375695920085
15 14.7854158054251 37.5549561457797

85
65
16
C#
1108.73052390749
1108.73052390749
Guitar, 1st string 21 fret



16
15.3803182937027 39.0660084660049
16 15.3874421094942 39.0841029581152

86
66
17
D
1174.65907166963
1174.65907166963
Guitar, 1st string 22 fret



17
15.9482923849112 40.5086626576743
17 15.9556792734637 40.5274253545978

87
67
18
D#
1244.50793488832
1244.50793488832





18
16.4843885398715 41.8703468912737
18 16.4920237360456 41.8897402895559

88
68
19
E
1318.51022765148
1318.51022765148
Guitar, 1st string 24 fret



19
16.990395929666 43.1556056613517
19 16.9982654970258 43.1755943624455

89
69
20
F
1396.91292573202
1396.91292573202





20
17.4680033069202 44.3687283995773
20 17.4760940912217 44.3892789917031

90
70
21
F#
1479.97769084654
1479.97769084654





21
17.9188046418577 45.5137637903184
21 17.927104227148 45.5348447369559

91
71
22
G
1567.981743927
1567.981743927





22
18.3443044420278 46.5945332827505
22 18.3528011092079 46.6161148173882

92
72
23
G#
1661.21879031978
1661.21879031978





23
18.7459227734595 47.6146438445871
23 18.754605461173 47.6366978713794

93
73
24
A
1760
1760





24
19.125 48.5775
24 19.1338582677165 48.6

94
74
25
A#
1864.65504607236
1864.65504607236














95
75
26
B
1975.5332050245
1975.5332050245







Scale (inches) Scale (cm)

Scale (inches) Scale (cm)

96
76
27
C
2093.00452240479
2093.00452240479







24.75 62.865

24.7637795275591 62.9

97
77
28
C#
2217.46104781498
2217.46104781498





Fret
Distance from nut Distance from nut
Fret Distance from nut Distance from nut

98
78
29
D
2349.31814333926
2349.31814333926














99
79
30
D#
2489.01586977665
2489.01586977665





0
0 0
0 0 0

100
80
31
E
2637.02045530296
2637.02045530296





1
1.38911076112809 3.52834133326534
1 1.38988414658326 3.53030573232148

101
81
32
F
2793.82585146403
2793.82585146403





2
2.7002567260266 6.85865208410757
2 2.70176009014672 6.86247062897266

102
82
33
F#
2959.95538169308
2959.95538169308





3
3.93781372247057 10.0020468550752
3 3.94000609470132 10.0076154805414

103
83
34
G
3135.963487854
3135.963487854





4
5.10591198189353 12.9690164340096
4 5.10875469118116 12.9762369156001

104
84
35
G#
3322.43758063956
3322.43758063957





5
6.20844992365107 15.7694628060737
5 6.21190646938125 15.7782424322284

105
85
36
A
3520
3520.00000000001





6
7.24910716563295 18.4127322007077
6 7.25314309581345 18.4229834633662

106
86
37
A#
3729.31009214472
3729.31009214472





7
8.23135680464583 20.9076462838004
7 8.23593960092616 20.9192865863524

107
87
38
B
3951.066410049
3951.066410049





8
9.15847700755095 23.2625315991794
8 9.16357597669538 23.2754829808063

108
88
39
C
4186.00904480958
4186.00904480959
Piano, upper C



9
10.0335619518413 25.485247357677
9 10.0391481232931 25.4994362331644

109


40
C#
4434.92209562996
4434.92209562996





10
10.8595321521715 27.5832116665157
10 10.8655781813662 27.5985685806702

110


41
D
4698.63628667853
4698.63628667853





11
11.6391442073037 29.5634262865515
11 11.6456242844095 29.5798856824002

111


42
D#
4978.0317395533
4978.0317395533





12
12.375 31.4325
12 12.3818897637795 31.45

112


43
E
5274.04091060593
5274.04091060593





13
13.069555380564 33.1966706666327
13 13.0768318370712 33.2151528661608

113


44
F
5587.65170292807
5587.65170292807





14
13.7251283630133 34.8618260420538
14 13.7327698088529 34.8812353144863

114


45
F#
5919.91076338616
5919.91076338616





15
14.3439068612353 36.4335234275376
15 14.3518928111302 36.4538077402707

115


46
G
6271.926975708
6271.926975708





16
14.9279559909468 37.9170082170048
16 14.9362671093701 37.9381184578001

116


47
G#
6644.87516127913
6644.87516127914





17
15.4792249618255 39.3172314030369
17 15.4878429984702 39.3391212161142

117


48
A
7040.00000000001
7040.00000000001





18
15.9995535828165 40.6388661003539
18 16.0084613116863 40.6614917316831

118


49
A#
7458.62018428945
7458.62018428945





19
16.4906784023229 41.8863231419002
19 16.4998595642426 41.9096432931762

119


50
B
7902.132820098
7902.132820098





20
16.9542385037755 43.0637657995897
20 16.9636777521272 43.0877414904031

120


51
C
8372.01808961917
8372.01808961917





21
17.3917809759207 44.1751236788385
21 17.4014638254261 44.1997181165822

121


52
C#
8869.84419125992
8869.84419125993





22
17.8047660760858 45.2241058332578
22 17.8146788544626 45.2492842903351

122


53
D
9397.27257335706
9397.27257335706





23
18.1945721036519 46.2142131432757
23 18.2047019059843 46.2399428412001

123


54
D#
9956.06347910661
9956.06347910661





24
18.5625 47.14875
24 18.5728346456693 47.175

124


55
E
10548.0818212119
10548.0818212119














125


56
F
11175.3034058561
11175.3034058562














126


57
F#
11839.8215267723
11839.8215267723














127


58
G
12543.853951416
12543.853951416


















59
G#
13289.7503225583
13289.7503225583


















60
A
14080
14080


















61
A#
14917.2403685789
14917.2403685789


















62
B
15804.265640196
15804.265640196


















63
C
16744.0361792384
16744.0361792384


















64
C#
17739.6883825199
17739.6883825199


















65
D
18794.5451467141
18794.5451467141


















66
D#
19912.1269582132
19912.1269582132


















67
E
21096.1636424237
21096.1636424237


















68
F
22350.6068117123
22350.6068117123


















69
F#
23679.6430535447
23679.6430535447


















70
G
25087.707902832
25087.707902832


















71
G#
26579.5006451166
26579.5006451166


















72
A
28160.0000000001
28160.0000000001