Bead Size Chart

Seed Bead Dimensions in Millimeters

Seed bead sizes may vary slightly by manufacturer, but the chart below provides a helpful guide to the approximate bead dimensions in millimeters. This page is in the process of being updated. Please check back in the future for additional data.

Bead Type

Length

Width (or diameter)

Beads per Gram (approx.)

15/0 Round

11/0 Round

8/0 Round

6/0 Round

1.0

1.3

2.7

3.0

1.5

2.1

3.0

4.0

265

100

39

19

 

Multi-Hole Bead Dimensions in MM

Bead Type

Length

Width (or diameter)

Beads per Gram (approx.)

GemDuo

Ginko (gingko)

MobyDuo

Nib-bit

SuperDuo

8.0

7.5

8.0

6.0

5.0

5.0

7.0

3.0

5.0

2.0

7

4

10

6

16

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