Hand Trades

Seed beads sizes are stated in aughts, (not millimeters) ~ as strung beads per 20 mm or 3/4 inch length.

The higher the number, the smaller the bead.

We’ve converted aughts to millimeters, large to small:

1 /0= 6.5mm
2 /0= 6.0mm
3 /0= 5.5mm (pony beads, crow, roller)
4 /0= 5.0mm
5 /0= 4.5mm
6 /0= 4.0mm (popular “e” bead)
7 /0= 3.4mm
8 /0= 3.1mm
9 /0= 2.7mm
10 /0= 2.3mm
11 /0= 2.1mm
12 /0= 1.9mm
13 /0= 1.7mm
14 /0= 1.6mm
15 /0= 1.5mm
16 /0= 1.3mm
17 /0= 1.2mm
18 /0=1.1mm
20 /0=1.0mm

3/0 beads would be 4 per inch,
about 1/4 inch thick each.
(Crow rollers, pony beads)

6/0 beads would be about 8 per inch,
or 1/8 inch thick each.
(The popular “e” bead)

15/0 beads would be 18 per inch,
1/18 inch thick each. (Tiny)

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