cable-sizing

Open-source offline LV electrical design app for single-line diagrams, load schedules, cable and breaker sizing, voltage drop, short circuit, earthing and reports.

A Professional browser based electrical engineering calculator suite with 7 tools: Ohm's Law, Power, 3-phase, Transformer, Voltage Divider, Unit Converter & Cable size. Pure HTML/CSS/JS. No build, No server, Instant offline calculations. ⚡

A tool for designing low-voltage electrical networks in buildings.

230 open-source engineering calculators for plant, electrical, mechanical and process engineers. The code behind plantaxiom.com/tools.

Interactive low-voltage network design tool with cable sizing, voltage-drop calculations, auto-layout, project saving, and PDF export.

Open-source electrical calculation toolkit for electricians and electrical engineers

Pure, zero-dependency electrical engineering formulas: line current, kVA/kW/kVAr, power factor correction, voltage drop and cable sizing, generator sizing with motor starting, battery runtime with Peukert, transformer loading, AWG to mmآ².

Офлайн-калькулятор асинхронного двигателя: ток, мощность, кабель, защита, графики и переходные процессы пуска. Один HTML-файл, без зависимостей.

LV cable sizing to IEC 60364-5-52: derating, voltage drop, motor starting and fault withstand, validated against 12 hand calculations

Selects the smallest copper cable cross-section that passes both Iz and the 3 % voltage drop limit (Python)

Web-based engineering calculation tools for preliminary electrical system analysis and engineering education.

Щитовик — калькулятор электрощита: автоматы, УЗО, кабель, баланс фаз, щит на DIN-рейках, смета и PDF. Flutter: Android, iOS, Web.