CALCULATOR CATEGORY

Cable, Wire & Voltage Drop Tools

Conductor size, ampacity, voltage drop, and fault withstand

VdConductor size, ampacity, voltage drop, and fault withstand

Estimate voltage drop by current, conductor length, material, cross-section, and phase system.

mm²Conductor size, ampacity, voltage drop, and fault withstand

Find a reference conductor size from load current, sizing factor, conductor material, and installation severity.

DCConductor size, ampacity, voltage drop, and fault withstand

Check DC voltage drop for 12 V, 24 V, 48 V, control, LED, battery, and PV accessory circuits using AWG conductor resistance.

AWGConductor size, ampacity, voltage drop, and fault withstand

Find the smallest AWG conductor that passes both reference ampacity and voltage-drop checks.

↔Conductor size, ampacity, voltage drop, and fault withstand

Convert conductor cross-sectional area between metric mm² and American Wire Gauge, with nearest and not-smaller standard-size references.

KConductor size, ampacity, voltage drop, and fault withstand

Combine ambient-temperature, grouping, installation, and soil factors to estimate corrected cable ampacity.

PEConductor size, ampacity, voltage drop, and fault withstand

Calculate minimum protective-conductor cross-section using the IEC adiabatic equation and a user-selected material k value.

I²tConductor size, ampacity, voltage drop, and fault withstand

Check cable short-circuit thermal withstand using conductor area, fault current, duration, and material k value.