Note

Frequency (Hertz)

A

27.5

55.0

110.0

220.0

440.0

880.0

1760

3520

A#

29.1

58.3

116.5

233.1

466.2

932.3

1865

3729

B

30.9

61.7

123.5

246.9

493.9

987.8

1976

3951

C

32.7

65.4

130.8

261.6

523.3

1047

2093

4186

C#

34.6

69.3

138.6

277.2

554.4

1109

2217

D

36.7

73.4

146.8

293.7

587.3

1175

2349

D#

38.9

77.8

155.6

311.1

622.3

1245

2489

E

41.2

82.4

164.8

329.6

659.3

1319

2637

F

43.7

87.3

174.6

349.2

698.5

1397

2794

F#

46.2

92.5

185.0

370.0

740.0

1480

2960

G

49

98.0

196.0

392.0

784.0

1568

3136

G#

51.9

103.8

207.7

415.3

830.6

1661

3322