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Beading Resources > EncycloBEADia > Seed Bead Sizes and Hole Sizes

 Seed Bead Sizes and Hole Sizes 

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

Bead
Size (mm)
Hole Size (mm)
Hole Size (inches)
Max. Size Metal Wire to Use
3.3
1.7
0.067
14GA
7/0
2.9
 
 
 
2.5
1.2
0.047
18GA
9/0
2.2
 
 
 
10/0
2.0
 
 
 
1.7
0.64
0.025
22GA
1.8
0.64
0.025
22GA
1.8
1.0
0.039
18GA
1.8
0.65
0.025
22GA
12/0
1.7
 
 
 
13/0
1.5
 
 
 
14/0
1.4
 
 
 
1.3
0.5
0.02
24GA
16/0
1.2
 
 
 
18/0
1.1
 
 
 
20/0
1.0
 
 
 
22/0
0.9
 
 
 
 
0.82
0.032
21GA
 
0.82
0.032
21GA
3.5-3.7
1.5
0.059
16GA
4
1.6
0.062
16GA


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