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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: Schweitzer's Dry, 5-Segment

Category: Dry Fly Leaders
This leader was designed to tie quickly and accommodate the most wide variety of situations.

8X - 9.5'
Show all variations

51" of 0.0180 (06X)
23" of 0.0140 (02X)
11" of 0.0100 (1X)
6" of 0.0050 (6X)
23" of 0.0030 (8X)

Randomly selected: Orvis Std. Lite-Butt for 3-5 weight lines

Category: Name-Specific Formulas

6X - 8.5'
Show all variations

26" of 0.0190 (07X)
13" of 0.0170 (05X)
11" of 0.0150 (03X)
9" of 0.0130 (01X)
6" of 0.0110 (0X)
6" of 0.0090 (2X)
6" of 0.0070 (4X)
25" of 0.0050 (6X)