No. | Helmholtz Pitch Notation |
International Pitch Notation |
Standard Harp Octave Designation |
Frequency Hz |
|
---|---|---|---|---|---|
1 | C | C2 | C6 | 65.4 | |
2 | D | 73.4 | |||
3 | E | 82.4 | |||
4 | F | 5th Octave | 87.3 | ||
5 | G | 98 | |||
6 | A | 110 | |||
7 | B | 123 | |||
8 | c | C3 | C5 | 130.8 | |
9 | d | 146.8 | |||
10 | e | 164.8 | |||
11 | f | 4th Octave | 174.6 | ||
12 | g | 196 | |||
13 | a | 220 | |||
14 | b | 246 | |||
15 | Middle | c' | C4 | C4 | 261.6 |
16 | d' | 293.6 | |||
17 | e' | 329.6 | |||
18 | f' | 3rd Octave | 349.2 | ||
19 | g' | 392 | |||
20 | a' | A4 | 440 | ||
21 | b' | 492 | |||
22 | c'' | C5 | C3 | 523.2 | |
23 | d'' | 587.2 | |||
24 | e'' | 659.2 | |||
25 | f'' | 2nd Octave | 698.4 | ||
26 | g'' | 784 | |||
27 | a'' | 880 | |||
28 | b'' | 984 | |||
29 | c''' | C6 | C2 | 1046.4 | |
30 | d''' | 1174.4 | |||
31 | e''' | 1318.4 | |||
32 | f''' | 1st Octave | 1396.8 | ||
33 | g''' | 1568 | |||
34 | a''' | 1760 | |||
35 | b''' | 1968 | |||
36 | c'''' | C7 | C1 | 2092.8 |
The right hand column shows frequencies of the C major scale (in concert pitch A440Hz equal-tempered) within the range most commonly found on celtic harps.
Use the calculator below to find the frequency of chromatic notes (sharps or flats) or notes deviating from the equal-tempered scale by x cents.