WIRE GAUGE CHARTS
19 wire in mm
Thickness: 0.91 mm diameter (0.036 inches), 0.65 mm² cross-section of solid copper.
Specifications
- Diameter
- 0.91 mm
- Diameter (imperial)
- 0.036 in
- Cross-section
- 0.65 mm²
- Area (kcmil)
- 1.3
- Copper resistance
- 8.051 Ω/1000 ft
- Copper resistance (metric)
- 26.41 Ω/km
- Copper weight
- 5.8 g/m
- Free-air rating (typical)
- 35 A
Nearest metric sizes
0.65 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:20 · thinner18 · thickerFull chart →
Frequently asked questions
Is 19 gauge wire thick or thin?
19 gauge wire is 0.91 mm in diameter. On the AWG scale a lower number means a thicker wire, so 19 AWG sits in the mid-power range used for appliances and small feeders.
What diameter is 19 wire in millimeters?
19 gauge wire is 0.91 mm (0.036 in) in diameter, with a solid-conductor cross-section of 0.65 mm².