Fishing Line Diameter Chart. For charts with inches and diameter for each lb test scrolll below. Factors that may determine what line an angler chooses for a given fishing environment include breaking strength, knot strength.
Factors that may determine what line an angler chooses for a given fishing environment include breaking strength, knot strength. The most important attribute of braided line is that it has a much smaller diameter than the same pound test of monofilament or fluorocarbon line. That's nylon monofilament lines, fluorocarbon fishing lines and braid fishing lines.
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So you might have a 15lb test braid that is the same weight and diameter of 6lb mono line. Braided line is thinner in diameter than mono and often comes with a special coating for improved castability. If you’re fishing shallow (say 5 feet), then lean towards a heavier line. 2 comparison chart of top 10 diameter line for baitcaster.