Electrical Formulator vs Voltage Drop Calculators

Electrical Formulator: Your Complete Electrical Calculation Tool Solve virtually any electrical design or engineering challenge with this powerful and intuitive electrical formulator. Packed with hundreds of conversion and calculation tools, it’s the most versatile utility in your toolkit. Save, print, or email your results. Easily access your most-used and recently used formulas. Every calculation is automatically saved for future reference. Key Features: • Instant access to over 100 professional-grade electrical formulas • Save and organize your results for later reference • Share results via email or print • Highlights your most-used and recent formulas • Designed for engineers, electricians, and energy professionals Formula Categories: Batteries • Starting motor amperage • Number of cells required • Estimated operating time Cost Calculations • Appliance and lighting energy usage • Estimated usage hours for new bulbs • Insulation payback period BTU Conversions • BTU to joules, horsepower-hr, watt-hr, calories, foot-pounds, and more Generator Calculations • DC generator output • Generator amperage and efficiency Impedance & Reactance • Resistance & reactance combinations • Inductive and capacitive reactance • Total impedance and parallel circuits Kilowatts & Joules • Convert kilowatts to BTU/hr, joules/sec, lumens, horsepower, megajoules/hr, and more Motors • Single- and three-phase motor calculations • Locked rotor current • Motor kVA (including multiple input scenarios) • Motor speed analysis Ohm’s Law • Calculate for power, voltage, resistance, or current Transformers • Primary and secondary amperage • Full-load transformer sizing (208V, 240V, 480V for single and three-phase) • Impedance and amperage capacity calculations Voltage Drop • Copper and aluminum wire voltage drop (1-phase and 3-phase) • US/Imperial and metric units supported Wiring & Conduits • Wire size and resistance (copper and aluminum) • Wire length calculations • Conduit sizing Whether you’re working in the field, the lab, or the classroom, this electrical formulator helps you work faster, smarter, and with confidence. Users are able to calculate twelve formulas for FREE. Purchase a subscription to calculate additional formulas. All subscriptions come with a 1-WEEK FREE TRIAL and SUPPORT Family Sharing.

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.