# Conduit Filler — The electrician's helper

> Electrical conduit fill and sizing calculator for tradespeople. (iPhone/iPad app by Zsolt Giczi.)

- Source: https://appshunter.io/ios/app/conduit-filler/id1450885874 (this page in markdown: same URL + `.md`)
- Developer: [Zsolt Giczi](https://appshunter.io/developer/1207577154)
- Category: Business, Education
- Price: Free with in-app purchases
- Rating: 3.50/5 from 16 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.2 · 9 MB
- Languages: American English
- Released: 2019-02-03
- Data updated: 2026-08-24
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/conduit-filler/id1450885874/reviews.md

## What is Conduit Filler?

The Conduit Filler is designed to help electrical tradespeople with their conduit fill calculations and with conduit sizing for various gage of wires. Select the conduit type, conduit size and wire type you are using to find out the maximum number of allowable conductors. For conduit sizing simply select the conduit type, wire type and add the amount of wires for each gage. 
New for 2026, we added a section for electricians in the United Kingdom with Conduit and Trunking calculations.
All calculations are done in accordance with the 2026 USA National Electrical Code, the 2024 Canadian Electrical Code and the British Standard BS 7671,

To get to know our app we are providing you with a 7 day fully functional trial period for your convenience. After that you have the option to subscribe to this app on a monthly or yearly basis.

During the subscription period this app will unlock and function without any restrictions.
Subscription can be enabled on more devices with the same Apple ID.
Your subscription will be charged to your App Store account at confirmation of purchase, and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period.
Current subscription may not be cancelled during the active subscription period, however, you can manage your subscription and/or turn off auto-renewal by opening the Settings App, tapping your name and tapping Subscription.
No 3rd party advertisement presented.

About our Terms of Use and our Privacy Policy, you will find detailed information within our App or you can also visit our home page at:
http://archalog.com

## Key features

- Conduit fill calculations
- Conduit sizing calculations
- Supports US, Canadian, and UK codes
- Multiple wire gauge support
- 7-day free trial
- Monthly and yearly subscription options

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Month | $2.49 | per month |
| Year | $22.49 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $19.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/conduit-filler/id1450885874/reviews.md

### 2/5 — Quit working

*2025-02-11*

Paid for yearly subscription and hasn’t worked in months. Sent email to try and resolve but no reply

### 5/5 — Works Great

*2025-01-19*

Great app. Use it regularly. Well worth it.
Had a minor issue and the developer worked on it until it was resolved  .

### 1/5 — A joke

*2024-08-21*

Not worth it.

## Frequently asked questions about Conduit Filler

### What electrical codes does Conduit Filler support?

Conduit Filler supports calculations in accordance with the 2026 USA National Electrical Code, the 2024 Canadian Electrical Code, and the British Standard BS 7671.

### How much does Conduit Filler cost?

Conduit Filler offers a 7-day free trial. After the trial, subscriptions are available monthly for $2.49 or yearly for $22.49.

### Can I cancel my Conduit Filler subscription?

Yes, you can manage your subscription and turn off auto-renewal by opening your device's Settings app, tapping your name, and then tapping Subscription. The current subscription cannot be cancelled during the active period.

### Does Conduit Filler have ads?

No, Conduit Filler does not present any third-party advertisements.

### What devices is Conduit Filler available on?

Conduit Filler is available on iPhone and iPad devices.

### How often is Conduit Filler updated?

The latest version, 5.2, was released on January 16, 2026. Updates typically occur to align with new code standards and improve functionality.

### What is the age rating for Conduit Filler?

Conduit Filler has an age rating of 4+, making it suitable for a wide range of users.

### Can I use Conduit Filler on multiple devices?

Yes, your subscription can be enabled on more devices using the same Apple ID.

## Version history (last 5 releases)

### 5.3 — 2026-07-24

Update to the latest IOS and bug fixes.

### 5.2 — 2026-01-16

Updated to the latest 2026 NEC. Bug fixes.

### 5.1 — 2025-10-01

Update to IOS 26. Bug fixes.

### 5.0 — 2025-01-19

Haptic feedback added to buttons. Bug fixes.

### 4.9 — 2024-12-07

Bug fixes related to the Conduit Sizing section.

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## More apps by Zsolt Giczi

- [Archalog Cars](https://appshunter.io/ios/app/archalog-cars/id1241720693)
- [Electrical Amps](https://appshunter.io/ios/app/electrical-amps/id1522971343)

All apps by Zsolt Giczi: https://appshunter.io/developer/1207577154

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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 2026-08-24.*