Craft & Design

Wire Gauge Converter

Convert between AWG, millimeters, and inches — with typical jewelry-making use cases per gauge.

Inputs

Convert from

Gauge*

AWG

AWG

18.0

Diameter (mm)

1.024 mm

Diameter (in)

0.0403 in

Typical use

Standard jump rings, ear wires, light wire wrap

American Wire Gauge (AWG) runs backwards: smaller number = thicker wire. A 10 AWG wire is thick structural; 30 AWG is fine beading wire.

In jewelry, 22 AWG is common for wire-wrapped loops and chain links, 18 AWG for jump rings that don't distort, 14 AWG for sturdy bangle forms.

d_in = 0.005 × 92^((36 − AWG) ÷ 39)

Beads Per Length

Beads needed for a necklace or bracelet — account for clasp, spacer beads, and standard 16 in strand counts.

Ring Size Converter

Convert between US, UK, EU, and measured diameter or circumference — with fit advice.

d_in = 0.005 × 92^((36 − AWG) ÷ 39)