Fishing & Angling

Fishing calculators for fly line weight, fish stocking, trolling speed, knot strength, tide planning, hook size, and fish weight estimation.

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Match your fly rod weight to the optimal line weight, leader length, and tippet size based on target species, casting distance, and wind conditions.

Calculate optimal fish stocking density for recreational ponds based on acreage, depth, species, and management goals.

Find the optimal trolling speed for your target species and lure type, adjusted for water temperature and conditions.

Calculate the effective strength of fishing knots based on knot type, line material, and line test rating.

Rate fishing conditions based on tide phase, moon phase, species type, and season to find the best fishing windows.

Find the right hook size and style for your target species, bait type, and bait size.

Calculate fishing line diameter for your target break strength across monofilament, fluorocarbon, and braided line.

Calculate the minimum and recommended trolling motor thrust for your boat based on length, weight, and fishing conditions.

Calculate the live well size, aeration rate, and water change frequency needed to keep your catch alive during tournaments.

Estimate a fish's weight from its length and girth measurements using species-specific formulas.