Notes, Octaves and Frequencies
Frequencies vs. notes and octaves.
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The notes below are for a tempered chromatic scale where A = 440 Hz.
For full table - rotate the screen!
| Frequency (Hz) listen to the sound! - touch and click the frequency below! | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Octave | Note | |||||||||||
| 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 |
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
| Note | Octave | Frequency (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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