Monofilament Size Chart

Monofilament Nylon String (aka. fishing line) comes in a variety of sizes and strengths.  Below is a chart showing the equivalent size (in millimeters) and tension strength (in pounds) of different thicknesses:

TEST/STRENGTH SIZE-MM
8 lb. 0.27mm
10 lb. 0.30mm
12 lb. 0.35mm
15 lb. 0.40mm
20 lb. 0.45mm
25 lb. 0.50mm
30 lb. 0.55mm
40 lb. 0.60mm
50 lb. 0.70mm
60 lb. 0.80mm
80 lb. 0.90mm
100 lb. 1.00mm
130 lb. 1.20mm
150 yd. 1.30mm
200 lb. 1.5mm
250 lb. 1.80mm
300 lb. 1.90mm
 
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