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Seed Bead Sizes and Hole Sizes


Seed bead designing made simple! Find the right seed bead size, and the stringing material it fits, at a glance with this handy seed bead conversion chart. Print out and keep on hand for easy beading and reordering.

Beads by Miyuki of Japan
Bead Size (mm) Hole Size (mm)
Delica® 11/0 1.6 0.8
Delica 8/0 3.0 1.5
Hex 2-Cut 11/0 2.0 0.8
Twisted Bugle 6x2 0.8
Twisted Bugle 12x2 0.8
Fringe 4x3.4 0.8
Mini Fringe 3.3x2.8 0.8
Long Magatama 7x4 1.4
Rocaille 15/0 1.5 0.7
Triangle #5 5 1.8
Square 3.5-3.7 1.5
Tila® 5x5x1.9 0.75 - 0.85

Dyna-Mites™ by Matsuno of Japan
Bead Size (mm) Hole Size (mm)
Round 11/0 1.8mm 0.64
Round 8/0 2.5 1.2
Round 6/0 3.3 1.7
Hex-Cut 11/0 2.1 0.64
Hex-Cut 6/0 3.6 1.6
Bugle 6x1.8 0.82
Twisted Bugle 6x1.8 0.82
Hex-Cut Bugle 6x2.1 0.82
Twisted Bugle 12x2.3 0.82

Czech Glass Seed Beads
Bead Size (mm) Hole Size (mm)
Rocaille 11/0 2.0 - 2.2 0.7
Bugle #3 6-7x2 0.94
Twin™ 5x2.5x3 1.0

Ming Tree™ Seed Beads
Bead Size (mm) Hole Size (mm)
Rocaille #11 1.8 1.0
Bugle 6-7x2 1.0

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