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Seed Bead Sizing

Seed beads are often used in bead weaving and embroidery projects and it's important to know the size of the beads you want to incorporate and the needles that you can use with them. These tables will tell you what size the seed bead is and its hole size. We've also included a table to show you the needle and thread size you'll need for your beads.

Bead Size and Hole Size Chart:

Bead  Size (mm)  Hole Size (mm)  Bead  Size (mm)  Hole Size (mm)  
 Delica 15/0  1.3  0.65  Long Magatama  4x7  1.4
 Delica 11/0  1.6  0.8  Tila  5x5x1.9  0.75
 Delica 8/0  3  1.5  Half Tila  5x2.3x1.9  0.8
 TOHO Round 15/0  1.5  0.4  Drop Fringe  3.4  0.8
 TOHO Round 11/0  2.2  0.7  Miuki Round 15/0 MR15  1.5  0.4
 TOHO Round 8/0  3  0.9  Miyuki Round 11/0 MR11  2.2  0.7
 TOHO Round 6/0  4  1.1  Miyuki Round 8/0 MR8  3  0.9
 TOHO Round 3/0  5.5  1.4  Miyuki Round 6/0 MR6  4  1.1
 TOHO Aiko 11/0   1.3  0.7  TOHO Treasure 11/0  1.3  0.7
 6mm Cotton Pearl   6  0.81  8mm Cotton Pearl   8  0.81
 Matubo Cylinder 10/0   2.1  0.7      

Shop all seed beads here.

Needle and Thread Sizing Chart:

Seed Bead Size Needle Size  Thread Size  
 6/0 6, 8, or 10 
 8/0 8 or 10 
 11/0 12  B or D 
 15/0 15  B or D 

Shop beading thread here.