Magnet Wire Calculator

AWG

151015202530354046

Bare-Wire

Conductor only — no insulation

Diameter — inches

Min0.0030

Nom0.0031

Max0.0032

Nom. Area (Circular Mils)9.61

Nom. Diameter — mm0.079

Nom. IEC R-40 Series — mm0.079

Nom. Ohms / 1000 ft @ 20°C1079

Single-Build

One layer of enamel insulation

Min. Increase in Film0.0003

Overall Diameter — inches

Min0.0033

Nom0.0035

Max0.0037

Nom. Ohms / lb @ 20°C35656

Lbs. / 1000 ft0.03027

Feet / lb33040

Heavy-Build

Double layer of enamel insulation

Min. Increase in Film0.0005

Overall Diameter — inches

Min0.0035

Nom0.0038

Max0.0041

Nom. Ohms / lb @ 20°C34364

Lbs. / 1000 ft0.03141

Feet / lb31842

Values marked N/A are not covered by NEMA MW 1000 — please consult Magnet Wire Marketing for build information.* 45 and 46 AWG wire dimensions are theoretical.Full maximum bare diameters are in accordance with NEMA MW 1000 Table 1-1.Please refer Triple and Quad Build inquiries to Magnet Wire Marketing.

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