Seed Bead Sizing Guide

seed-bead-2Use this handy guide in conjunction with our Thread Reference Guide.

The larger the number, the smaller the bead.

Seedbeads – Czech seedbeads

Bead size (aught) Beads Per Inch Beads Per Gram Recommended Needle and Thread
16/0 28 275-325  
14/0 25 250-300  
13/0 24 150-200 Needle sizes 13 and smaller. Thread sizes A, OO, & O.
12/0 21 125-175 Needle sizes 12 and smaller. Thread sizes A, OO, O, & B.
11/0 18 100-150 Needle sizes 11 and smaller. Thread sizes O,B, & D.
10/0 16 75-125 Needle sizes 10 and smaller. Thread sizes B, D, & F.
9/0 15 50-100  
8/0 14   Most beading needles will fit. Thread sizes KO, D, and up to #2 Tuff Cord or Micro S_lon thread
6/0 9   Most beading needles will fit. Thread sizes KO, S-Lon, Tuff Cords and some leather or waxed cord. Up to 1mm cord or thread.

 

Seedbeads – Japanese seedbeads – Miyuki

Bead size (aught) Beads Per Inch Beads Per Gram Bead Size
14/0-15/0 27 250 1.5mm
11/0 17 110 2.2mm
8/0 11 38 3.0mm
6/0 8 13 3.7mm
6/0 metal bead 3mm
5/0 7
4mm magatama 20 4mm
3 x 3 square 21 3mm
4 x4 square 22 4mm
Delica 15/0 350 1.5mm
Delica 11/0 200 2.2mm
Delica 8/0 30 3mm

 

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