Voltage Drop Calculator

Voltage Drop Calculator is a practical electrical tool for checking voltage drop in common AC and DC cable applications. Enter your electrical values, select the cable details, and get a quick result without complicated steps.

Key Features

• Single Phase AC – Calculate voltage drop for single-phase circuits.

• Three Phase AC – Supports three-phase voltage drop calculations.

• DC Calculator – Useful for direct-current cable applications.

• Flexible Length Units – Enter cable length in meters (m) or feet (ft).

• Copper & Aluminum – Select the conductor material for the calculation.

• Multiple Cable Sizes – Choose from commonly used conductor sizes.

• Automatic Conductor Count – The appropriate conductor configuration is applied based on the selected system.

• Clear Results – View voltage drop in volts and as a percentage of supply voltage.

• Reference – Quickly review the formulas and variables used by the calculator.

• More Tools – Includes useful electrical tools such as Ohm’s Law, Power Calculator, and Current from Power.

Designed for Practical Use

Whether you're checking a cable installation, studying electrical calculations, or working on a DIY project, the app provides a straightforward way to estimate voltage drop from the values you provide.

No complicated setup—select the system, enter your values, choose the cable details, and calculate.

Voltage Drop Calculator — simple input, clear results, useful electrical tools.