VoltKit: NEC 2026 Tools

VoltKit is the electrical calculator app built for working electricians — not students, not hobbyists. Real calculations, real code, real job site.
Built around NEC 2026, VoltKit gives you the tools you actually reach for on the job. Fast, accurate, and works offline when you're in a basement with no signal.
FREE CALCULATORS
• Ohm's Law
• Watts / Amps / Volts Converter
• Basic Voltage Drop
• Wire Ampacity Lookup
VOLTKIT PRO — $14.99 ONE TIME
• NEC 2026 Residential Load Calculator
• EV Charger Demand Calculator (NEC 2026 100% demand factor)
• Feeder / Service Load Summary
• Conduit Fill Calculator
• Box Fill Calculator
• Advanced Voltage Drop (multi-wire)
• Motor FLA + Breaker Sizing
• Panel Schedule Builder
WHY VOLTKIT
✔ Updated for NEC 2026 — not stuck on 2020
✔ Buy once, use forever — no monthly fees
✔ Works 100% offline — no signal required on the job
✔ Built for speed — get your answer and get back to work
✔ No bloat, no fluff, no subscription
Tired of apps that haven't updated their code tables since 2018? Tired of paying $5 a month for a calculator? VoltKit is a one-time purchase that works the way a tool should.
Download free. Upgrade when you're ready.