Stop Wasting Expensive Fishing Line!
Calculate Backing and Working Line, or Full Reel Capacity in Seconds
Know exactly how much backing to use
Save up to 50% on premium line cost
Prevent tangles
Fishing Reel Backing + Line Capacity Calculator
BACKING MODE
Backing mode is selected: calculate backing + your chosen working line length.
Reel Specs
Premium Line
Backing
ReelCalc is pre-filled so you can see an example instantly. Just change the numbers to match your reel and line and press calculate. It’s that easy!
Not sure what your fishing line diameter is? Search the ReelCalc Line Database to find your exact line size.
Don’t have your reel nearby? Check out the example values in the calculator above
Enter reel specs
Capacity & LB test of line
Enter line diameters
Good line and backing diameter
Save money
No guesswork