Voltage Drop Calculators

The Voltage Drop Calculator app is a practical and reliable tool designed for electrical engineers, technicians, electricians, and students who need quick and accurate voltage drop calculations. It helps ensure electrical systems are designed efficiently, safely, and in compliance with standards.
With a simple and intuitive interface, the app allows you to calculate voltage drop by entering key parameters such as cable length, load current, conductor type, and wire size. Results are generated instantly, saving time and reducing calculation errors during planning and installation.
The app includes a built-in conductor material database, featuring commonly used materials like copper and aluminum with accurate resistivity values. For specialized applications, users can also define custom materials to match project requirements.
To support real-world electrical work, the app lets you save and manage circuit details, making it easy to revisit calculations and maintain organized records for future reference. Flexible unit conversion options allow seamless switching between metric and imperial units, ensuring compatibility across different standards and regions.
Key Highlights:
- Fast and accurate voltage drop calculations
- Built-in material database with custom material support
- Clear and detailed calculation results
- Voltage drop percentage and load-end voltage output
- Recommended wire size guidance
- Easy unit conversion (length, diameter, and more)
- Simple, user-friendly design for all experience levels
Whether you’re designing a new circuit, verifying an installation, or learning electrical fundamentals, the Voltage Drop Calculator app provides a dependable solution for everyday electrical calculations.