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WireGaugeCharts

WIRE GAUGE CHARTS

33 wire in mm

Thickness: 0.18 mm diameter (0.007 inches), 0.03 mm² cross-section of solid copper.

33 · 0.18 mm

Specifications

Diameter
0.18 mm
Diameter (imperial)
0.007 in
Cross-section
0.03 mm²
Area (kcmil)
0.1
Copper resistance
206.899 Ω/1000 ft
Copper resistance (metric)
678.80 Ω/km
Copper weight
0.2 g/m
Free-air rating (typical)
3.6 A

Nearest metric sizes

0.03 mm² does not match a standard metric cable size exactly. The closest conventional cross-sections are0.5 mm², 0.75 mm² and 1 mm²— engineers round this wire up (larger cross-section) for ampacity, or accept the raw equality for signal work.

One gauge away:34 · thinner32 · thickerFull chart →

Frequently asked questions

Is 33 gauge wire thick or thin?

33 gauge wire is 0.18 mm in diameter. On the AWG scale a lower number means a thicker wire, so 33 AWG sits near the thin end of the chart.

What diameter is 33 wire in millimeters?

33 gauge wire is 0.18 mm (0.007 in) in diameter, with a solid-conductor cross-section of 0.03 mm².