Ratio

A#

Freq in Hz

10

A1

55

10.7

A#1

58.2705

12

C2

65.40

13.5

D2

73.4162

15

E2

82.4069

16

F2

87.3071

18

G2

97.999

20

A2

110

21.3

A#2

116.541

24

C3

130.813

27

D3

146.8325

30

E3

164.814

32

F3

174.614

36

G3

195.9975

40

A3

220

42.7

A#3

233.082

48

C4

261.626

54

D4

293.665

60

E4

329.628

64

F4

349.228

72

G4

391.995

80

A4

440

85.3

A#4

466.164

96

C5

523.251

108

D5

587.33

120

E5

659.255

128

F5

698.456

144

G5

783.991

160

A5

880

170.7

A#5

932.328

192

C6

1046.502

216

D6

1174.66

240

E6

1318.51

256

F6

1396.912

288

G6

1567.982

Ratio

C major

Freq in Hz

10

A1

55

11.2

B1

61.735413

12

C2

65.4064

13.5

D2

73.4162

15

E2

82.4069

16

F2

87.3071

18

G2

97.999

20

A2

110

22.4

B2

123.47083

24

C3

130.813

27

D3

146.8325

30

E3

164.814

32

F3

174.614

36

G3

195.9975

40

A3

220

44.9

B3

246.94165

48

C4

261.626

54

D4

293.665

60

E4

329.628

64

F4

349.228

72

G4

391.995

80

A4

440

89.8

B4

493.8833

96

C5

523.251

108

D5

587.33

120

E5

659.255

128

F5

698.456

144

G5

783.991

160

A5

880

179.6

B5

987.7666

192

C6

1046.502

216

D6

1174.66

240

E6

1318.51

256

F6

1396.912

288

G6

1567.982

-db

ratio

1/x

1.000

1

-6.0

0.500

2

-9.6

0.333

3

-12.0

0.250

4

-14.0

0.200

5

-15.5

0.167

6

-16.9

0.143

7

-18.1

0.125

8

-19.1

0.111

9

-20.0

0.100

10

-20.8

0.091

11

-21.6

0.083

12

-22.3

0.077

13

-23.0

0.071

14

-23.5

0.067

15

-24.0

0.063

16

-24.6

0.059

17

-25.0

0.056

18

-25.5

0.053

19

-26.0

0.050

20

-26.4

0.048

21

-26.9

0.045

22

-27.3

0.043

23

-27.5

0.042

24

-28.0

0.040

25

-28.4

0.038

26

-28.6

0.037

27

-28.9

0.036

28

-29.4

0.034

29

-29.6

0.033

30

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