Length
All
3.0'
3.5'
4'
4.5'
5'
5.5'
6'
6.5'
7'
7.5'
8'
8.5'
9'
9.5'
10'
10.5'
11'
11.5'
12'
12.5'
13'
13.5'
14'
14.5'
15'
15.5'
16'
16.5'
17'
17.5'
18'
18.5'
19'
19.5'
20'
20.5'
21'
21.5'
22'
22.5'
23'
23.5'
24'
24.5'
25'
25.5'
26'
26.5'
27'
27.5'
28'
28.5'
29'
29.5'
30'
30.5'
31'
31.5'
32'
32.5'
Tippet
All
08X - 0.0200"
07X - 0.0190"
06X - 0.0180"
05X - 0.0170"
04X - 0.0160"
03X - 0.0150"
02X - 0.0140"
01X - 0.0130"
00X - 0.0120"
0X - 0.0110"
1X - 0.0100"
2X - 0.0090"
3X - 0.0080"
4X - 0.0070"
5X - 0.0060"
6X - 0.0050"
7X - 0.0040"
8X - 0.0030"
Sp. - 0.0394"
Bt. - 0.0610"
Line
All
0 wt.
1 wt.
2 wt.
3 wt.
4 wt.
5 wt.
6 wt.
7 wt.
8 wt.
9 wt.
10 wt.
11 wt.
12 wt.
Reset Quick use The most advanced and comprehensive fly fishing leader tool online ... well, basically anywhere! Using the form above you can ask LeaderCalc to caculate and show you a number of fly fishing leader formulas meeting your selected criteria.
You can read more about the selection tool here .
LeaderCalc currently contains
2973 leaders for fly fishing, so there are enough to choose from.
Below you see a couple of randomly selected knotted, tapered leader formulas. Click on the name, category or other elements to see more.
Category:
Name-Specific Formulas 1 variation, 6X, 14'
Name
Sections
Tippet
Length
Line
Formula
Show this only Show similar 8
6X
14'
3-6wt.
42" of 0.0190 (07X)
28" of 0.0170 (05X)
19" of 0.0150 (03X)
14" of 0.0130 (01X)
9" of 0.0110 (0X)
9" of 0.0080 (3X)
9" of 0.0060 (5X)
37" of 0.0050 (6X)
Category: Name-Specific Formulas
Category:
Convex & Double Taper Leaders Some people believe that a thicker segment can be included between the butt and the front of a leader to aid loop shape, line speed and fly turnover.
1 variation, 4X, 13.0'
Name
Sections
Tippet
Length
Line
Formula
Show this only Show similar 8
4X
13.0'
4-7wt.
15" of 0.0170 (05X)
24" of 0.0190 (07X)
31" of 0.0210
12" of 0.0150 (03X)
9" of 0.0120 (00X)
9" of 0.0100 (1X)
9" of 0.0080 (3X)
46" of 0.0070 (4X)
Category: Convex & Double Taper Leaders
Calculating...
Selecting all leaders will show you more than 2,500 leaders. Please narrow your criteria
Selecting All for two or more of your criteria can result in a lot of leaders and can potentially take some time to find. Consider narrowing your search... or just give it a go!
