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Notes, Octaves and Frequencies

Frequencies vs. notes and octaves.

The notes below are for a tempered chromatic scale where A = 440 Hz.

For full table - rotate the screen!

Notes, Octaves and Frequencies
Frequency (Hz)
listen to the sound! - touch and click the frequency below!
OctaveNote
C C# D Eb E F F# G G# A Bb B
0 16.35 17.32 18.35 19.45 20.60 21.83 23.12 24.50 25.96 27.50 29.14 30.87
1 32.70 34.65 36.71 38.89 41.20 43.65 46.25 49.00 51.91 55.00 58.27 61.74
2 65.41 69.30 73.42 77.78 82.41 87.31 92.50 98.00 103.8 110.0 116.5 123.5
3 130.8 138.6 146.8 155.6 164.8 174.6 185.0 196.0 207.7 220.0 233.1 246.9
4 261.6 277.2 293.7 311.1 329.6 349.2 370.0 392.0 415.3 440.0 466.2 493.9
5 523.3 554.4 587.3 622.3 659.3 698.5 740.0 784.0 830.6 880.0 932.3 987.8
6 1047 1109 1175 1245 1319 1397 1480 1568 1661 1760 1865 1976
7 2093 2217 2349 2489 2637 2794 2960 3136 3322 3520 3729 3951
8 4186 4435 4699 4978 5274 5588 5920 6272 6645 7040 7459 7902

Notes, acords and frequncy chart

Download and print Notes, Octaves and Frequency Chart

The wavelength depends on the speed of sound and can be calculated as

λ = c / f           (2)

where 

λ =  wavelength (m)

c = speed of sound (m/s)

f = frequency (s-1, Hz)

 Sound velocity depends on the density of the air and the air temperature. Typical value for speed of sound is 343 m/s for temperature 20oC.

Guitar Strings

Guitar - Notes, Octaves and Frequencies
NoteOctaveFrequency
(Hz)
E 2 82.41
A 2 110.0
D 3 146.8
G 3 196.0
B 3 246.9
E 4 329.6

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