# Electrical Calculator Pro — Wiring, Cable & Load Tools

> Wiring, Cable & Load Tools (iPhone/iPad app by Do Tri.)

- Source: https://appshunter.io/ios/app/electrical-calculator-pro/id6759329271 (this page in markdown: same URL + `.md`)
- Developer: [Do Tri](https://appshunter.io/developer/846531282)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 8 MB
- Languages: American English
- Released: 2026-02-24
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/electrical-calculator-pro/id6759329271/reviews.md

## What is Electrical Calculator Pro?

The Ultimate Toolkit for Modern Electricians.

Precision and speed are non-negotiable on the job site. Electrical Calculator Pro is the comprehensive, professional-grade software designed for installers, electrical designers, and engineers who need accurate calculations and reliable reports in seconds.

Whether you are sizing cables, calculating voltage drop, or checking circuit breaker requirements, our app handles the complex math while complying with major international codes (NEC, IEC, CEC, BS).

*** Core Calculations ***

1. Ohm's Law & Power: Instantly solve for Voltage, Current, Resistance, and Power (Single & 3-Phase).
2. Advanced Cable Sizing: Determine recommended conductor sizes based on current, length, and installation method.
3. Voltage Drop Calculator: Ensure safety and compliance by calculating precise drops over any distance.
4. Circuit Breaker Sizing: Suggest appropriate breaker sizes to protect your installations.
5. Conduit Fill: Estimate raceway capacity and fill ratios on the fly.
6. Motor Analysis: Calculate Motor Current, Efficiency, Slip, and Torque with ease.
7. Comprehensive Unit Conversion: Seamlessly convert between Power, Energy, Temperature, and Imperial/Metric units.

*** Professional Features ***

1. Persistent History: Save every calculation to your log for quick reference or client documentation.
2. Clear Visual Previews: Intuitive icons and clean layouts designed for clarity in low-light or high-pressure environments.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-02-25

No release notes.

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All apps by Do Tri: https://appshunter.io/developer/846531282

## Related topics

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

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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 2026-05-17.*