Voltage Drop Calculator. vs Apex Lite

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

Apex Lite is a modern community tools app built with a clean, fast, and easy-to-use design. Use Apex Lite to explore and manage helpful features including: • Fast Raids Quickly browse and post community-driven raid activity. • Friend Codes Save and share your profile details and connect with other users more easily. • Nests View and submit community-reported nest locations, vote on reports, and track top contributors through the leaderboard. • Trades Create and browse trade posts with useful details to help connect with other users. • PoKeys Access useful special keyboard characters directly from the app. • Power Up Calculator Estimate upgrade costs with a simple calculator built for quick answers. Apex Lite is designed to feel polished, lightweight, and straightforward, with a strong focus on usability and community features. Why Apex Lite: • Clean and modern interface • Fast access to useful community tools • Community-focused features • Simple and organized experience