DIY POWER SYSTEM // OFFICIAL CALCULATOR ENGINE

SYSTEM ACTIVE
[NEC 2026]

Watts ⟷ Amps ⟷ Volts & Battery Ah ⟷ kWh

Resolve current, power, and voltage parameters instantly using Joule's Law and Ohm's Law. Includes a battery capacity and energy converter to easily size energy storage runs.

// LAUNCH CONVERTER ENGINE →
[NEC 2026]

Smart-Wire Sizing & Voltage Drop Engine

Calculate conductor gauges and actual voltage drop using a dual-gate safety algorithm. Calibrated to temperature correction rules and ampacity limits.

// LAUNCH SIZING ENGINE →
// SYSTEM COMPLIANCE & VERIFICATION DIRECTIVE

National Electrical Code (NEC 2026) Compliance Standards

All computations, ampacity thresholds, thermal derating factors, and voltage drop sizing parameters executed by the calculator engines are strictly aligned with the latest NEC 2026 Table 310.15 and continuous load sizing directives under NEC Article 210.19. All calculations operate in a sandboxed, client-side browser environment for instant parameter resolution.