Engineering Tools

Calculators for wire processing and electrical engineering. No tracking, no signups.

Voltage Drop

Calculate Vd based on AWG, distance, and current.

Wire Gauge (AWG to mm²)

Conversion tables and calculator.

Conduit Fill

Calculate NEC conduit fill percentages.

Cable Length from Resistance

Find exact length using a milliohm meter.

Bend Radius

Minimum bend radius limits for various cables.

Pull Tension

Maximum pulling force before conductor deformation.

Current Capacity (Ampacity)

NEC based ampacity limits.

Resistance

Copper & Aluminum resistance based on temperature.

Short Circuit

Calculate peak short circuit current withstand.

Power Loss (I²R)

Thermal dissipation in long cable runs.