On-Water Tools
Quick answers for the questions that come up rigging line or picking a reel — built to load fast on patchy service.
Line Capacity Calculator
Re-spooling with a different line? Convert your reel’s rated capacity to the yardage you’ll actually get on mono, fluoro or braid.
Open toolFish Weight Estimator
Weigh a fish without a scale. Enter length — add girth for accuracy — and get a weight from the formulas state biologists use, by species.
Open toolDrag Setting Calculator
Set your drag the right way: a target strike drag in pounds from your line’s rated strength, tuned for mono, fluoro or no-stretch braid.
Open toolTippet & Leader Matcher
Match tippet to your fly with the “rule of 3”, then read off the diameter, breaking strength and balanced hook range for every X size.
Open toolRetrieve Speed Calculator
Turn a reel’s gear ratio and spool diameter into inches-per-turn, so you can match retrieve speed to the technique.