14 AWG in mm²

Answer
2.08 mm² · Ø 1.63 mm

14 AWG has a cross-section of 2.08 mm² (4,107 circular mils) and a solid-conductor diameter of 1.63 mm (0.0641 in). The next standard metric size is 2.5 mm².

Free, no sign-upInstant resultsUpdated October 2026
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

    14 AWG specifications

    PropertyValue
    Area2.08 mm²
    Circular mils4,107
    Diameter (solid)1.63 mm / 0.0641 in
    Resistance, copper, 20 °C8.285 Ω/km · 2.525 Ω/1000 ft
    Ampacity, copper 75°C (NEC 310.16)15 A
    Nearest metric size2.5 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 14 AWG in mm²?

    2.08 mm².

    What metric cable replaces 14 AWG?

    2.5 mm², the next standard size up.

    Open the full calculator: Voltage Drop Calculator →