1/0 AWG in mm²

Answer
53.48 mm² · Ø 8.25 mm

1/0 AWG has a cross-section of 53.48 mm² (105,535 circular mils) and a solid-conductor diameter of 8.25 mm (0.3249 in). The next standard metric size is 70 mm².

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Conductor
A
Phase
Voltage drop
–
How we calculated this

    For estimating and educational purposes only. Results are approximate and are not a substitute for a licensed professional, the manufacturer's instructions or your local code. Disclaimer

    1/0 AWG specifications

    PropertyValue
    Area53.48 mm²
    Circular mils105,535
    Diameter (solid)8.25 mm / 0.3249 in
    Resistance, copper, 20 °C0.322 Ω/km · 0.098 Ω/1000 ft
    Ampacity, copper 75°C (NEC 310.16)150 A
    Nearest metric size70 mm²

    Diameter from the AWG formula d = 0.127 × 92^((36 − n) ÷ 39) mm. Stranded wire has a slightly larger outside diameter.

    Frequently asked questions

    What is 1/0 AWG in mm²?

    53.48 mm².

    What metric cable replaces 1/0 AWG?

    70 mm², the next standard size up.

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