--- title: "NEC Box & Conduit Calc - Reviews, Revenue and Downloads in United States | Apple App Store" description: "NEC Box & Conduit Calc is the most accurate way to calculate box fill, conduit fill, and wire volume according to the NEC (National Electrical Code). Built for electricians, electrical contractors, en" --- # NEC Box & Conduit Calc — United States > NEC Box & Conduit Fill ![NEC Box & Conduit Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/c5/a2/28/c5a2280d-f632-ba70-ed23-1f6ccd275acc/AppIcon-0-0-1x_U007epad-0-1-0-85-220.png/434x0w.png) **Developer:** [V PUGAZHENTHI](https://apptail.io/developer/v-pugazhenthi-ufi) **Category:** Utilities **Rating:** 4.9/5 (16 ratings) **Price:** Free **Bundle ID:** com.pugazh.BoxConduitCalc **Store:** Apple App Store **Country:** United States **Version:** 1.6 (released 2026-05-02) **Original Release:** 2025-12-02 **Languages:** Spanish, English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6755513987) **AppTail Page:** [https://apptail.io/app/nec-box-conduit-calc-mCqy/united-states](https://apptail.io/app/nec-box-conduit-calc-mCqy/united-states) ## NEC Box & Conduit Calc Description NEC Box & Conduit Calc is the most accurate way to calculate box fill, conduit fill, and wire volume according to the NEC (National Electrical Code). Built for electricians, electrical contractors, engineers, inspectors, and students — this app provides instant, reliable fill calculations that save time on every job. Key Features • Box Fill Calculator – Supports device counts, equipment grounding, internal clamps – Includes all common box sizes and types – NEC-compliant volume calculations – Instant results with clear breakdowns • Conduit Fill Calculator – Supports EMT, PVC, RMC, IMC & more – Choose multiple conductor sizes per conduit – NEC-based fill percentages – Quickly see pass/fail results • Accurate Wire Volume Data – Built-in AWG volume reference – Perfect for field, shop, and inspection work • Clean, Simple Interface – Designed for electricians under time pressure – Easy to use with gloves – Works offline Perfect For • Electricians • Electrical contractors • Students & apprentices • Inspectors • Engineers & designers ## NEC Box & Conduit Calc Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/4b/15/e8/4b15e85a-8e78-1140-fe2c-8de5253565d2/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.48.43.png/2064x2752.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/2a/ff/52/2aff5271-0ec0-b267-8a9d-3b770a2d0177/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.49.40.png/2064x2752.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7d/a8/8c/7da88c66-9876-d7df-0b2b-9cd230d1859f/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.50.14.png/2064x2752.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/59/f8/13/59f81397-1409-a1d2-46c1-a11c4297c37f/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.54.35.png/2064x2752.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/dc/2e/c8/dc2ec89a-8e0f-cd23-d9ff-ce6c7ab34e9d/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.51.52.png/2064x2752.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/fd/d0/ac/fdd0ac08-1016-e32f-a9f2-b60d86e02e4f/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.51.57.png/2064x2752.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/30/bb/07/30bb07ac-3e62-dcb3-6df8-6f22a0ba62d8/Simulator_Screenshot_-_iPad_Pro_13-inch__U0028M5_U0029_-_2025-12-10_at_13.52.01.png/2064x2752.png) ## NEC Box & Conduit Calc Rating Breakdown in United States - 5 stars: 14 (88%) - 4 stars: 2 (13%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## NEC Box & Conduit Calc Reviews in United States ### ***** "Good" Good start excited to so where he takes it. -- Gavin Burn, 2025-12-03 [View all NEC Box & Conduit Calc reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews) ## NEC Box & Conduit Calc In-App Purchases | Item | Price | |------|-------| | NEC Box Conduit Calc Pro | $4.99 | ## NEC Box & Conduit Calc Available In - [United States](https://apptail.io/app/nec-box-conduit-calc-mCqy/united-states) - [Canada](https://apptail.io/app/nec-box-conduit-calc-mCqy/canada) - [Brazil](https://apptail.io/app/nec-box-conduit-calc-mCqy/brazil) - [Belarus](https://apptail.io/app/nec-box-conduit-calc-mCqy/belarus) - [Cyprus](https://apptail.io/app/nec-box-conduit-calc-mCqy/cyprus) - [Germany](https://apptail.io/app/nec-box-conduit-calc-mCqy/germany) - [Spain](https://apptail.io/app/nec-box-conduit-calc-mCqy/spain) - [Argentina](https://apptail.io/app/nec-box-conduit-calc-mCqy/argentina) - [South Korea](https://apptail.io/app/nec-box-conduit-calc-mCqy/south-korea) - [Lithuania](https://apptail.io/app/nec-box-conduit-calc-mCqy/lithuania) - [North Macedonia](https://apptail.io/app/nec-box-conduit-calc-mCqy/north-macedonia) - [Paraguay](https://apptail.io/app/nec-box-conduit-calc-mCqy/paraguay) - [Russia](https://apptail.io/app/nec-box-conduit-calc-mCqy/russia) - [Thailand](https://apptail.io/app/nec-box-conduit-calc-mCqy/thailand) - [Finland](https://apptail.io/app/nec-box-conduit-calc-mCqy/finland) - [Australia](https://apptail.io/app/nec-box-conduit-calc-mCqy/australia) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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