Practical calculators for outdoor trips and gear.
Fishing tools
Fishing Reel Line Capacity Calculator
Changing line sizes or switching to braid? Estimate how much line will fit your reel and how much mono backing you need for the amount of braid you want to use. The calculator includes tips for finding or measuring line diameter.
Boating tools
Boat Fuel Burn Calculator
Estimate trip fuel and underway time for a single- or twin-engine boat. Enter your route distance, cruising speed, and gallons per hour for each engine.