Reference A4=
Hz
Sound speed
337.5 (10°C)
340.5 (15°C)
343.4 (20°C)
346.3 (25°C)
349.2 (30°C)
m/s
Frequency :
Hz / Wave length in the air :
cm
Note :
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Octave :
0
1
2
3
4
5
6
7
8
9
Instrument :
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String :
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