# NEC Box Fill Calculator — Fast NEC 2026 Calculations

> Fast NEC 2026 Calculations (iPhone/iPad app by Hilal Demir.)

- Source: https://appshunter.io/ios/app/nec-box-fill-calculator/id6793090928 (this page in markdown: same URL + `.md`)
- Developer: [Hilal Demir](https://appshunter.io/developer/1763890162)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 11 MB
- Languages: American English
- Released: 2026-08-03
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/nec-box-fill-calculator/id6793090928/reviews.md

## What is NEC Box Fill Calculator?

The fastest NEC® Box Fill Calculator for professional electricians.

Stop flipping through tables.

Calculate NEC® 2023 box fill instantly with a clean, modern interface designed specifically for electricians.

Whether you're working in residential or commercial installations, NEC Box Fill Calculator helps you verify box capacity quickly and confidently.

Features

• Instant live calculations

• NEC® 2023 compliant calculations

• Visual capacity gauge

• Smart box recommendations

• Common electrical box catalog

• One-handed operation

• Professional Apple-inspired interface

• No ads

• Works offline

Perfect for

• Licensed Electricians

• Electrical Contractors

• Apprentices

• Inspectors


Designed for speed.
Built for professionals.


Privacy Policy : https://autumn-jackrabbit-155.notion.site/3a4c2750335a8037a91ed5e6c277574d

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| NEC Box Fill Calculator Annual | $29.99 | per year |
| NEC Box Fill Calculator | $4.99 | per month |



## Version history (last 2 releases)

### 1.1 — 2026-08-08

Significant payment and user experience improvements

### 1.0 — 2026-08-03

No release notes.

## More apps by Hilal Demir

- [Scrapbook: MomentSnap](https://appshunter.io/ios/app/scrapbook-momentsnap/id6785608948)

All apps by Hilal Demir: https://appshunter.io/developer/1763890162

## Related topics

[electrical box fill calculator](https://appshunter.io/ios/topics/electrical-box-fill-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*