Electrical Calculator Pro vs EV Calc Pro

The Ultimate Toolkit for Modern Electricians. Precision and speed are non-negotiable on the job site. Electrical Calculator Pro is the comprehensive, professional-grade software designed for installers, electrical designers, and engineers who need accurate calculations and reliable reports in seconds. Whether you are sizing cables, calculating voltage drop, or checking circuit breaker requirements, our app handles the complex math while complying with major international codes (NEC, IEC, CEC, BS). *** Core Calculations *** 1. Ohm's Law & Power: Instantly solve for Voltage, Current, Resistance, and Power (Single & 3-Phase). 2. Advanced Cable Sizing: Determine recommended conductor sizes based on current, length, and installation method. 3. Voltage Drop Calculator: Ensure safety and compliance by calculating precise drops over any distance. 4. Circuit Breaker Sizing: Suggest appropriate breaker sizes to protect your installations. 5. Conduit Fill: Estimate raceway capacity and fill ratios on the fly. 6. Motor Analysis: Calculate Motor Current, Efficiency, Slip, and Torque with ease. 7. Comprehensive Unit Conversion: Seamlessly convert between Power, Energy, Temperature, and Imperial/Metric units. *** Professional Features *** 1. Persistent History: Save every calculation to your log for quick reference or client documentation. 2. Clear Visual Previews: Intuitive icons and clean layouts designed for clarity in low-light or high-pressure environments.

EV Calc Pro is the professional-grade electrical calculator built specifically for EV charger installers and electricians. Stop doing math on paper — get accurate, NEC-compliant results in seconds. CALCULATORS INCLUDED: EV Charger Load — Complete circuit analysis for EV charger installations EV Site Load — Full service load calculation for multi-charger sites (NEC 220, 625) Wire Size — NEC conductor sizing with temperature and conduit corrections Voltage Drop — Voltage drop analysis with pass/fail results Breaker Sizing — Overcurrent protection sizing per NEC Transformer Sizing — kVA transformer sizing for EV service upgrades Conduit Fill — NEC 358/344 conduit fill percentage calculator Grounding Conductor — Equipment grounding conductor sizing Ampacity Derating — Temperature and conduit fill derating per NEC 310 Box Fill — NEC 314.16 box fill calculation Power Calculator — Watts, amps, and volts conversion WHY EV CALC PRO: • Built for the field — fast inputs, instant results • 100% offline — no internet required, works on job sites • NEC code references on every calculator • Dark mode for working in low-light conditions • Export and share results via text, email, or any app • Free — no subscription, no paywalls Part of the Charge Rigs family of tools for EV charging professionals.