Finding Your Strings

Harp strings are generally identified by their octave and pitch:

Middle C is the 4th octave C.

String Measurements

To work out which strings you need:

Nylon String Diameters

Pitch   Pedal Diamater (mm)   Lever Diamater (mm)
Octave 0
G0.51-
F0.51-
1st Octave
E0.540.51
D0.580.51
C0.600.54
B0.630.58
A0.660.58
G0.680.60
F0.710.63
2nd Octave
E0.740.66
D0.760.68
C0.790.74
B0.820.74
A0.840.82
G0.880.84
F0.940.94
3rd Octave
E0.990.94
D1.050.94
C1.101.05
B1.141.05
A1.181.05
G1.251.14
F1.321.18
4th Octave
E1.361.18
D1.421.25
C1.471.32
B1.551.32
A1.671.36
G1.741.42
F1.811.42

 

Gut (Bow and Burgundy) String Diameters and Lengths

String number   Pitch   Pedal Diameter (mm)   Lever Diameter (mm)   Length (cm)   
1st Octave
1E0.560.47122
2D0.580.50122
3C0.600.52122
4B0.620.54122
5A0.640.56122
6G0.660.58122
7F0.680.60122
2nd Octave
8E0.700.62122
9D0.730.64122
10C0.760.66122
11B0.800.68122
12A0.850.70122
13G0.880.73122
14F0.920.76122
3rd Octave
15E0.950.80122 (lever), 152 (pedal)
16D1.000.85122 (lever), 152 (pedal)
17C1.050.90122 (lever), 152 (pedal)
18B1.100.95122 (lever), 152 (pedal)
19A1.151.00122 (lever), 152 (pedal)
20G1.201.05122 (lever), 152 (pedal)
21F1.251.10122 (lever), 152 (pedal)
4th Octave
22E1.301.15122
23D1.351.20122
24C1.451.25122
25B1.551.30122
26A1.601.36122
27G1.701.44122
28F1.801.52122
5th Octave
29E1.851.60152
30D1.961.70152
31C2.081.80152
32B2.181.90152
33A2.292.00152
34G2.352.10152
35F2.502.20152

 

Pedal Harp Bass Wire Diameters and Lengths

String number   Pitch   Diameter (mm)   Length (cm)   
5th Octave
33A1.60145
34G1.65150
35F1.70150
6th Octave
36E1.80155
37D1.90160
38C2.00165
39B2.10165
40A2.25170
41G2.45175
42F2.50180
7th Octave
43E2.70180
44D2.80185
45C2.85185

 

Lever Harp Bass Wire Diameters and Lengths

String number   Pitch   Diameter (mm)   Length (cm)   
5th Octave
29E1.25110
30D1.29110
31C1.35120
32B1.44120
33A1.47125
34G1.50135
35F1.55140
6th Octave
36E1.60145
37D1.67150
38C1.76155
39B1.87155
40A1.97155