WIRE GAUGE CHARTS
15 wire in mm
Thickness: 1.45 mm diameter (0.057 inches), 1.65 mm² cross-section of solid copper.
Specifications
- Diameter
- 1.45 mm
- Diameter (imperial)
- 0.057 in
- Cross-section
- 1.65 mm²
- Area (kcmil)
- 3.3
- Copper resistance
- 3.184 Ω/1000 ft
- Copper resistance (metric)
- 10.45 Ω/km
- Copper weight
- 14.8 g/m
- Free-air rating (typical)
- 65 A
Nearest metric sizes
1.65 mm² does not match a standard metric cable size exactly. The closest conventional cross-sections are1 mm², 1.5 mm² and 2.5 mm²— engineers round this wire up (larger cross-section) for ampacity, or accept the raw equality for signal work.
One gauge away:16 · thinner14 · thickerFull chart →
Frequently asked questions
Is 15 gauge wire thick or thin?
15 gauge wire is 1.45 mm in diameter. On the AWG scale a lower number means a thicker wire, so 15 AWG sits in the mid-power range used for appliances and small feeders.
What diameter is 15 wire in millimeters?
15 gauge wire is 1.45 mm (0.057 in) in diameter, with a solid-conductor cross-section of 1.65 mm².