ELECTRICIAN NEC 2023 & 2026
TradesMath
Eleven professional calculators for real electrical and plumbing work — NEC 2023 & 2026 data, zero sign-ups, works offline. One purchase, yours for good.
Built for the truck, not the office
No internet required. Every calculator works with zero connectivity — basements, new construction, remote sites, dead zones: no signal is never a problem. No account, no sync, no analytics, no tracking.
Electrical (8 tools)
- Ohm's Law
- Voltage Drop
- Conduit Fill
- Ampacity
- Box Fill
- Residential Load Calculations
- Motor Circuit (430)
- Unit converter built in
Plumbing (3 tools)
- Pipe Volume
- Rolling Offset
- Head Pressure
The numbers you'd otherwise look up by hand.
Dual edition: NEC 2023 & 2026
The built-in Edition tab keeps calculations aligned with both NEC 2023 and NEC 2026 data, with source worksheets so you can trace every result. Switch editions to match the code cycle your jurisdiction enforces. When the code changes, TradesMath updates — you don't have to.
One purchase. Every calculator, every future update.
No subscription. Available on iOS.
Download on the App StoreTradesMath is a professional reference tool. It is not affiliated with or endorsed by the NFPA, and no copyrighted standard text is reproduced — results reference table and section numbers for orientation only.