Voltage Drop Calculator. vs REBT Pro

Perform accurate Voltage Drop and Wire Sizing calculations for both NEC® (National Electrical Code) and IEC standards. Built for electricians, engineers, and contractors who need reliable results on the go. Voltage Drop Calculator • Dual standards: Switch between NEC (AWG/Imperial) and IEC (mm²/Metric) • Enter voltage, current, run length, and power factor • Supports continuous load (125%), grouping, and ambient temperature corrections • Copper or Aluminum conductors for single-phase and three-phase systems • Detailed results including ampacity, derating, voltage drop, and load voltage • Automatic compliance checks (e.g., ≤ 3% for branch circuits) Wire Size Calculator (Reverse) • Calculates required wire size for a target voltage drop % • Suggests optimal AWG, kcmil, or mm² • Uses NEC Chapter 9, Table 9 (AC impedance) with DC fallback Professional Tools • Wire converter (AWG/kcmil ↔ mm²) • Generate and share PDF reports • Handy electrical formula cards • Localized in English, Spanish, French, German, Italian, Dutch, Portuguese, and Chinese

REBT Pro is a technical tool designed for professionals, installers, engineers, and students in the electrical field who need to perform calculations quickly and consult the Low Voltage Electrotechnical Regulation (REBT) at any time. The app combines calculation power and access to regulations in a clear, modern, and easy-to-use interface, optimized for both iPhone and iPad. MAIN FEATURES Technical calculators The app expands its calculation section with new tools designed to provide reliable and useful results for the daily work of electrical professionals. It now includes: -Electrical cable sizing -Voltage drop -Minimum conduit diameters -Lighting calculator -Electrical quantities -REBT earthing/grounding -Steinmetz capacitor -Circuit breaker calculation -Short-circuit current calculation Documentation and technical reference Directly access documentation and reference content to resolve doubts, verify technical criteria, and consult regulations at any time. In addition to REBT consultation, the app includes new resources such as: -Electrical formulas -IP/IK ratings -Electrical LOTO procedure with saveable checklist -Single-line electrical diagrams Professional and optimized interface A clean design focused on productivity, with simple navigation and adapted to all screen sizes. Smooth experience on iPhone and iPad Take advantage of the larger iPad format for comfortable consultation and the iPhone for quick use in the field. REBT PRO PREMIUM Unlock advanced features with a subscription: Full access to premium features Continuous improvements and new tools Unlimited experience Subscriptions are available on a monthly or annual basis. WHO IS THIS APP FOR? Electricians Installers Engineers Technicians Electrical students IMPORTANT NOTICE This application is a technical support tool. Results must be verified by a qualified professional and in accordance with the applicable regulations in each case. PRIVACY AND SECURITY REBT Pro does not collect unnecessary personal data. In-app purchases are securely managed through Apple. SUPPORT For any questions or suggestions: dev@mmlsoftware.es --- Terms of use: https://rebt.mmlsoftware.es/terminos-de-uso.html Privacy policy: https://rebt.mmlsoftware.es/politica-de-privacidad.html