ElectriCalc: NEC Calculator

Wire Size, Voltage Drop, AWG

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

v1.4: 20 pro calculators. NEC 2026 ready. EV charger, fault current, selectivity, ohms law, 3-phase. 100 percent offline. One-time unlock. ElectriCalc is the professional electrical calculator for electricians, contractors, and engineers. 20 fast, accurate, NEC-compliant calculators on your iPhone - and they all work 100% offline. No internet. No accounts. No tracking. Just the answers you need on the job site. --------------------------- 6 FREE CALCULATORS --------------------------- - VOLTAGE DROP - Branch and feeder voltage drop. Verify NEC 3% / 5% limits in seconds. - AMPACITY - Full NEC Table 310.16 in your pocket. Every wire size, insulation type, and temperature rating. - GROUND WIRE - Equipment grounding conductor sizing per NEC 250.122. - OHMS LAW - Solve V, I, R, or P from any two inputs. The classic, made fast. - POWER TRIANGLE - kW, kVA, kVAR, and power factor conversions. - 3-PHASE - Line-to-line and line-to-neutral conversions, balance checks. --------------------------- 14 PRO CALCULATORS --------------------------- - WIRE SIZING - The right conductor for any circuit. Considers voltage drop, ampacity, and temperature derating together. - CONDUIT FILL - Raceway fill percentage for EMT, IMC, RMC, PVC, FMC, ENT. - CONDUIT BENDING - 9 bend types (offset, saddle, kick, segment) with bender presets. - DWELLING LOAD CALC - Service sizing per NEC Article 220. Lighting, appliances, HVAC, EV - all in. - NON-DWELLING DEMAND - Commercial loads per NEC 220.42 with full occupancy factors. - SERVICE ENTRANCE - Disconnect sizing per NEC Article 230. - BOX FILL - Junction and device box sizing per NEC Chapter 9. - GROUNDING ELECTRODE - GEC sizing per NEC 250.66. - DERATING - Temperature and conduit-fill ampacity factors with full table support. - MOTOR CALC - Branch circuit protection per NEC Article 430. - TRANSFORMER - Overcurrent protection per NEC Article 450. - EV CHARGER - Level 2 branch sizing per NEC Article 625. - FAULT CURRENT - Short-circuit calculations using the Cooper Bussmann point-to-point method. - SELECTIVITY - Selective coordination per NEC 240.86 with citation-ready output. --------------------------- NEC 2023 + NEC 2026 + CEC 2024 --------------------------- - Both NEC editions supported - switch in Settings - CEC 2024 (Canadian Electrical Code, CSA C22.1) included - Auto-detects standard by region --------------------------- PROFESSIONAL FEATURES --------------------------- - PDF EXPORT - Branded reports with your logo, license number, contact info. US Letter or A4. Send to clients and inspectors in seconds. - CALCULATION HISTORY - Every result saved automatically. Tag with project name for billable tracking. - COMPARISON MODE - Two calculations side-by-side. Run what-if scenarios with confidence. - SIRI SHORTCUTS - Voice commands for every calculator. Hands-free on the ladder. - HOME SCREEN WIDGET - Last result at a glance. One tap back into the calculator. - HIGH CONTRAST MODE - Sunlight-readable. Built for outdoor and dim-basement work alike. --------------------------- WHY ELECTRICIANS CHOOSE ELECTRICALC --------------------------- 20 calculators - more than any competitor 100% offline - works in basements, attics, mechanical rooms NEC 2023 + NEC 2026 + CEC 2024 - true dual-standard Verified data - every table cross-checked against the official code books No ads, no tracking, no account Siri Shortcuts on every calculator Branded PDF reports - your logo, your license number One-time purchase - own it forever PRICING ElectriCalc Pro: all 20 calculators, unlimited calculations, PDF export. - Lifetime: $59.99 one-time purchase, no recurring charges - Monthly: $9.99/month - Try every Pro calculator with 1 free sample calculation - Monthly auto-renews unless cancelled 24 hours before period ends Terms: https://elly2504.github.io/electrocalc-pages/terms-of-use.html Privacy: https://elly2504.github.io/electrocalc-pages/privacy-policy.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

v1.4 - TEN NEW CALCULATORS This is our biggest release yet. We doubled the lineup from 10 to 20. NEW PRO CALCULATORS EV CHARGER. Level 2 branch sizing per NEC Article 625. FAULT CURRENT. Short-circuit using Cooper Bussmann point-to-point method. SELECTIVITY. Selective coordination per NEC 240.86, citation-ready output. CONDUIT BENDING. 9 bend types plus bender presets (offset, saddle, kick, segment). SERVICE ENTRANCE. Disconnect sizing per NEC Article 230. NON-DWELLING DEMAND. Commercial load per NEC 220.42 with occupancy factors. GROUNDING ELECTRODE. GEC sizing per NEC 250.66. NEW FREE CALCULATORS OHMS LAW. V, I, R, P solver from any two inputs. POWER TRIANGLE. kW, kVA, kVAR, and power factor. 3-PHASE. Line-to-line and line-to-neutral conversions and balance checks. OTHER UPGRADES NEC 2026 support added (alongside NEC 2023). Voltage drop now matches Cooper Bussmann reference values. Faster PDF export, smaller file size. Improved derating-table accuracy for parallel runs. Refreshed App Store screenshots for clearer feature presentation. Better translations across the app. High-contrast mode polish. Bug fixes and performance improvements. Thanks to the electricians who emailed and reviewed - your feedback shaped this release. Keep it coming. We read every single one. - The ElectriCalc Team

Version 1.4.0

The developer, Yusuf Can Samiloglu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • Yusuf Can Samiloglu
    Size
    • 18.9 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 4 more
    • English, French, German, Italian, Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    • ElectriCalc Pro — Lifetime $59.99
    • ElectriCalc Pro — Monthly $9.99
    • Learn More
    Copyright
    • © 2026 Trade Calc Suite
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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