WireSizing
Wire gauge reference & calculator

37 AWG Wire

37 AWG wire specifications: 0.1131 mm diameter, 0.01 mm² area. Resistance, weight, and common uses.

Diameter
0.1131 mm
0.004453"
Area
0.01 mm²
20 cmil
Ampacity (Cu)
—A
75°C insulation
Resistance (Cu)
1716.1174
Ω/km at 20°C

37 AWG — Complete Specifications

Diameter0.1131 mm · 0.004453" · 4.45 mils
Cross-sectional area0.01 mm² · 20 circular mils
Resistance (copper, 20°C)1716.1174 Ω/km · 523.0726 Ω/1000ft
Resistance (aluminum, 20°C)2637.8835 Ω/km · 804.0269 Ω/1000ft
Ampacity — copper 60°C— A
Ampacity — copper 75°C— A
Ampacity — copper 90°C— A
Ampacity — aluminum 75°C— A
Weight (copper)0.09 kg/km · 0.06 lbs/1000ft
Weight (aluminum)0.027 kg/km · 0.018 lbs/1000ft
Closest metric size0.0 mm²
Skin depth at 60 Hz8.531 mm

Common Uses for 37 AWG Wire

Compatible Insulation Types

TypeTemperatureDescription
PVC 60-105°C General purpose insulation
Teflon (PTFE) 200°C High temperature applications
Silicone 200°C Flexible, high temperature
Enamel 155-220°C Magnet wire coating

Explore

Full AWG chart → Wire size calculator → AWG to mm² converter → Ampacity tables → Wire materials →
← 36 AWG 38 AWG →