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LeaderCalc

Select the desired specifications for your leader and press "Find leaders" to look up suggestions.

Quick use

Using the form above you can ask LeaderCalc to caculate and show you a number of leader formulas meeting your selected criteria.
You can read more about this new tool here.
Leadercalc currently contains 2703 leaders, so there are enough to choose from.

Below you see a couple of randomly selected leader formulas. Click on the name, category or other elements to see more.

Randomly selected: Orvis Salt, Steelhead, Bass. Short, Delicate

Category: Name-Specific Formulas
NameSectionsTippetLengthLineFormula

01X - 8.0'
Show all variations

501X
0.0130"
8.0'4-7wt.
28" of 0.0210
23" of 0.0190 (07X)
13" of 0.0170 (05X)
11" of 0.0150 (03X)
21" of 0.0130 (01X)

Randomly selected: Standard Salmon and Sea Trout

Category: Salmon/Steelhead/Sea trout
This particular leader has been specifically modified for seatrout fishing: a 3X tippet behind a 2X tippet.
If a 3X is to limp, remove and use the 2X in it's place.
A good leader for seatrout fishing.
NameSectionsTippetLengthLineFormula

3X - 11.0'
Show all variations

83X
0.0080"
11.0'5-8wt.
40" of 0.0210
26" of 0.0190 (07X)
13" of 0.0170 (05X)
13" of 0.0150 (03X)
7" of 0.0130 (01X)
7" of 0.0110 (0X)
7" of 0.0090 (2X)
20" of 0.0080 (3X)