Reels and main line
Line capacity & backing calculator
Estimate how much backing to load when the line diameter on the spool label differs from your chosen main line.
Open calculator
Plan. Measure. Fish.
Simple calculators and session planners built around the decisions carp anglers make on the bank.
Practical bank-side help
Use the reel calculator before loading a spool, turn distance-stick wraps into real distances, or narrow down which rig guide to read for the conditions in front of you. Each result explains its assumptions so you can check the answer rather than simply trust a number.
Reels and main line
Estimate how much backing to load when the line diameter on the spool label differs from your chosen main line.
Open calculatorAccurate casting
Convert wraps using your own stick spacing and save the exact rod, spod and aim-point notes for a swim.
Open spot cardPresentation
Compare existing CarpAnswers rig guides using lakebed, hookbait, weed, casting range and your confidence level.
Choose rig guidesSession planning
Pack for a day, night, weekend, winter or French trip, save your progress on this device and print a clean bank-side list.
Choose a checklist