Free Engineering Tools

Wire HarnessEngineering Calculators

Professional engineering calculators for wire harness design, cable sizing, and electrical calculations. Free tools used by engineers worldwide.

AWG to mm² Converter

Convert between American Wire Gauge (AWG) and metric cross-sectional area (mm²). Get wire diameter and resistance data instantly.

Bidirectional AWG ↔ mm² conversion

Wire diameter calculation

Resistance per kilometer

Supports AWG 0-30

Keywords: AWG converter, wire gauge calculator, mm2 to AWG

Calculate voltage drop across wire harness and cable assemblies. Ensure your wire size meets electrical requirements.

Calculate voltage drop in volts

Percentage drop calculation

3% threshold warnings

Support for various wire sizes

Keywords: voltage drop calculator, cable voltage drop, wire resistance

Determine the minimum wire size needed for your application based on current, length, voltage, and acceptable voltage drop.

Calculate minimum wire size

AWG size recommendations

Customizable voltage drop limits

Current and length based

Keywords: wire size calculator, cable sizing, ampacity calculator

Industry-standard calculations based on ASTM, NEC, and IEEE standards

⚡

Get accurate calculations in real-time without complex formulas or spreadsheets.

📊

Based on ASTM B258, NEC voltage drop guidelines, and copper resistivity standards.

🆓

No registration, no hidden fees. Professional engineering tools available to everyone.

Our engineering team can help you design and manufacture custom wire harnesses that meet your exact specifications.