

Light 
Medium 
Heavy 
e 
high twist gut 
62 
64 
66 
a 
high twist gut 
79 
82 
85 
a 
Venice "V" type 
82 V 
85 V 
88 V 
d 
high twist gut 
104 
108 
112 
d 
Venice "V" type 
108 V 
112 V 
116 V 
G 
silver wound "F" type 
Light (155 equiv gut) 
Medium (160 equiv gut) 
Heavy (165 equiv gut) 


Light 
Medium 
Heavy 
e 
high twist gut 
62 
64 
66 
a 
high twist gut 
88 
91 
94 
a 
Venice "V" type 
91 V 
94 V 
97 V 
d 
high twist gut 
124 
128 
132 
d 
Venice "V" type 
128 V 
132 V 
136 V 
d 
loaded gut "C" type 
128 C 
132 C 
136 C 
G 
Venice "V" type 
170 V 
180V 
190 V 
G 
loaded gut "C" type 
170 C 
180 C 
190 C 

TYPE 
Light 
Medium 
Heavy 
e 
high twist gut 
66 
70 
73 
a 
high twist gut 
85 
88 
91 
d 
high twist gut 
112 
116 
124 
G 
pure silver wound "F" type 
Light (170 equiv gut) 
Medium (175 equiv gut) 
Heavy (180 equiv gut) 
TYPE  Light  Medium  Heavy  
a  high twist gut  79  82  85 
d  high twist gut  104  108  112 
g  silver wound "F" type  Light (160 equiv gut) 
Medium (165 equiv gut)  Heavy (170 equiv gut) 
C  silver wound "F" type  Light (220 equiv gut)  Medium (230 equiv gut)  Heavy (240 equiv gut) 
TIPO  Light  Medium  Heavy  
a  high twist gut  85  88  91 
d  high twist gut  112  116  124 
g  silver wound "F" type  Light (170 equiv gut) 
Medium (175 equiv gut)  Heavy (180 equiv gut) 
C  silver wound "F" type  Light (260 equiv gut)  Medium (270 equiv gut)  Heavy (275 equiv gut) 
TYPE  Light  Medium  Heavy  
a  high twist gut  112  116  120 
d  high twist gut  150  155  160 
G  high twist gut*  200  210  220 
G  silver wound "F" type  Light (240 equiv gut)  Medium (250 equiv gut)  Heavy (260 equiv gut) 
C  silver wound "F" type  Light (360 equiv gut)  Medium (380 equiv gut)  Heavy (390 equiv gut) 
TYPE  Light  Medium  Heavy  
a  high twist gut  120  124  132 
d  high twist gut  165  170  180 
G  silver wound "F" type  Light (245 equiv gut) 
Medium (255 equiv gut)  Heavy (275 equiv gut) 
C  silver wound "F" type  Light (365 equiv gut)  Medium (375 equiv gut)  Heavy (410 equiv gut) 
TYPE  Medium  Heavy  
e  high twist gut  100  104 
a  high twist gut  128  136 
d  Double silver wound "F" type  Medium (190 equiv gut) 
Heavy (205 equiv gut) 
G  Double silver wound "F" type  Medium (280 equiv gut)  Heavy (305 equiv gut) 
C  Double silver wound "F" type  Medium (430 equiv gut)  Heavy (455 equiv gut) 
TYPE  Medium  Heavy  
d''  high twist gut  60  64 
a'  high twist gut  76  79 
f#'  high twist gut  91  97 
d  high twist gut  108  112 
a  silver wound "F" type  Medium (145 equiv gut) 
Heavy (150 equiv gut) 
D  silver wound "F" type  Medium (210 equiv gut)  Heavy (220 equiv gut) 
A  silver wound "F" type  Medium (280 equiv gut)  Heavy (295 equiv gut) 
TYPE  Light  Medium  Heavy  
G  high twist gut  220  230  240 
D  high twist gut  300  310  320 
D  Venice "V" type 
300 V  320 V  340 V 
AA  high twist gut  400  420  440 
AA  Venice "V" type  400 V  440 V  460 V 
AA  silver wound "F" type  Light (400 equiv gut) 
Medium (420 equiv gut)  Heavy (460 equiv gut) 
EE  silver wound "F" type  Light (540 equiv gut) 
Medium (580 equiv gut)  Heavy (620 equiv gut) 
DD/ CC 
silver wound "F" type  Light (680 equiv gut)  Medium (730 equiv gut)  Heavy (780 equiv gut) 
TYPE  Light  Medium  
A  high twist gut  200  210 
E  high twist gut  260  280 
E  Venice "V" type 
280 V  320 V 
H  silver wound "F" type  Light (345 equiv gut)  Medium (370 equiv gut) 
FF#  silver wound "F" type  Light (460 equiv gut)  Medium (495 equiv gut) 
TYPE  Medium  Heavy  
g  low twist gut  42  44 
d  low twist gut  54  56 
a  high twist gut  70  73 
f  high twist gut  85  88 
c  high twist gut  116  120 
G  silver wound "F" type  Medium (160 equiv gut)  Heavy (165 equiv gut) 
TYPE  Medium  Heavy  
d  high twist gut  56  60 
a  high twist gut  73  76 
e  high twist gut  94  100 
e  Venice "V" type 
100 V 
104 V 
c  high twist gut  116  124 
c  Venice "V" type  120 V 
128 V 
c  loaded gut "C" type 
116 C 
124 C 
G  loaded gut "C" type  150 C 
160 C 
G  silver wound "F" type  Medium (150 equiv gut)  Heavy (160 equiv gut) 
D  loaded gut "C" type  240 C  255 C 
D  silver wound "F" type  Medium (240 equiv gut)  Heavy (240 equiv gut) 
TYPE  Medium  Heavy  
g  high twist gut  60  64 
d  high twist gut  76  82 
a  high twist gut  100  108 
a  Venice "V" type 
104 V 
112 V 
f  high twist gut  128  136 
f  Venice "V" type  132 V 
140 V 
C  loaded gut "C" type 
170 C 
180 C 
C  Venice "V" type  180 V 
190 V 
C  silver wound "F" type  Medium (170 equiv gut)  Heavy (180 equiv gut) 
G  loaded gut "C" type  240 C  260 C 
G  Venice "V" type  260 V  280 V 
G  silver wound "F" type  Medium (240 equiv gut)  Heavy (260 equiv gut) 
TYPE  Medium  Heavy  
d  high twist gut  73  76 
a  high twist gut  91  94 
e  high twist gut  120  124 
e  Venice "V" type 
124 V 
128 V 
c  high twist gut  150  155 
c  Venice "V" type  155 V 
160 V 
G  loaded gut "C" type 
210 C 
220 C 
G  Venice "V" type  220 V 
240 V 
G  silver wound "F" type  Medium (210 equiv gut)  Heavy (220 equiv gut) 
D  loaded gut "C" type  270 C  280 C 
D  Venice "V" type  280 V  320 V 
D  silver wound "F" type  Medium (270 equiv gut)  Heavy (280 equiv gut) 
TYPE  Medium  Heavy  
d  high twist gut  73  76 
a  high twist gut  91  94 
e  high twist gut  120  124 
c  high twist gut  150 
155 
G  silver wound "F" type 
Medium (200 equiv gut)  Heavy(210 equiv gut) 
D  silver wound "F" type  Medium (270 equiv gut)  Heavy(280 equiv gut) 
A  silver wound "F" type  Medium (360 equiv gut)  Heavy(370 equiv gut) 
TYPE  Medium  Heavy  
d  high twist gut  140  145 
A  high twist gut  170  180 
A  Venice "V" type 
180 V 
190 V 
E  high twist gut  230 
240 
E  Venice "V" type  240 V 
260 V 
C  silver wound "F" type 
Medium (300 equiv gut)  Heavy (320 equiv gut) 
GG  silver wound "F" type  Medium (420 equiv gut)  Heavy (440 equiv gut) 
DD  silver wound "F" type  Medium (540 equiv gut)  Heavy (580 equiv gut) 
TYPE  Medium  Heavy  
g  high twist gut  104  108 
d  high twist gut  132  140 
d  Venice "V" type 
136 V 
145 V 
A  high twist gut  170 
190 
A  Venice "V" type  180 V 
200 V 
F  high twist gut  220  240 
F  Venice "V" type  240 V 
260 V 
C  silver wound "F" type  Medium (320 equiv gut)  Heavy (330 equiv gut) 
GG  silver wound "F" type  Medium (420 equiv gut)  Heavy (430 equiv gut) 
Nylgut gauges 
Nylon gauges 
Carbon fibre gauges 
36NG 
40 
30 
38NG 
42 
32 
40NG 
44 
34 
42NG 
46 
36 
44NG 
48 
38 
46NG 
52 
40 
48NG 
54 
40 
50NG 
56 
42 
52NG 
58 
44 
54NG 
60 
46 
56NG 
62 
48 
58NG 
64 
50 
60NG 
66 
52 
62NG 
68 
52 
64NG 
70 
54 
66NG 
73 
56 
68NG 
73 
58 
70NG 
76 
60 
73NG 
79 
62 
76NG 
85 
64 
79NG 
88 
68 
82NG 
91 
70 
85NG 
94 
73 
88NG 
97 
76 
91NG 
100 
79 
94NG 
104 
79 
97NG 
/ 
82 
100NG 
/ 
85 
104NG 
/ 
88 
Pyramid gauges 
Aquila equivalents 
905/1013AL 
73D (wound nylgut) 
906M/1014AL 
76D 
906 
79D 
1006/10065 
82D 
9075 
85D 
908/1007 
88D 
1008/10075 
91D 
909/9085 
94D 
1009/10085 
97D 
10095 
100D 
1010 
104D 
1011 
108D 
10105 
112D 
1012 
116D 
1013/1014 
120D 
 
124D 
1015 
128D 
1016 
132D 
 
136D 
1017 
140D 
1018 
145D 
1019 
150D 
1020 
155D 
1021 
160D 
1022/1023 
165D 
1024 
170D 
1025 
175D 
1076 
180D 
1027 
185D 
1028 
190D 
1029 
195D 
1030/1031 
200D 
1032/1033 
210D 
1034/1035 
220D 
1036/1037 
230D 
1038 
240D 
1239 
245D 
1240 
250D 
1440/1441 
260D 
Millimetres 
Thousanths 
.10 
4 
.15 
6 
.20 
8 
.25 
10 
.30 
12 
.35 
14 
.40 
16 
.45 
17.5 
.50 
19.5 
.55 
21.5 
.60 
23.5 
.65 
25.5 
.70 
27.5 
.75 
29.5 
.80 
31 
.85 
33 
.90 
35 
.95 
37 
1.00 
39 
1.1 
43 
1.2 
47 
1.3 
51 
1.4 
55 
1.5 
59 
1.6 
63 
1.7 
67 
1.8 
71 
1.9 
75 
2.0 
79 
Gauge  Diameter 
Narrow  up to 18 mm 
Medium  18 mm  22 mm 
Wide  20 mm  24 mm 
ExtraWide  23 mm + 
String  Ribbons  Side 
Violin e1 
3  Right 
Violin a2  8  Right 
Violin d3  15  Right 
Viola a1  8  Right 
Viola d2  15  Right 
Cello a1 
24  Right 
Cello d2 
15  Left 
Bass G1 
21  Left 
Bass D2 
38  Left 
Bass A3 
64  Left 