# EV Calc Pro — ESVE Electrical calculator

> Professional electrical calculator for EV charger installers and electricians. (iPhone/iPad app by Charge Rigs, LLC.)

- Source: https://appshunter.io/ios/app/ev-calc-pro/id6760562066 (this page in markdown: same URL + `.md`)
- Developer: [Charge Rigs, LLC](https://appshunter.io/developer/1882610684)
- Category: Utilities, Business
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 62 MB
- Languages: American English
- Released: 2026-03-18
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ev-calc-pro/id6760562066/reviews.md

## What is EV Calc Pro?

EV Calc Pro is the professional-grade electrical calculator built specifically for EV charger installers and electricians. Stop doing math on paper — get accurate, NEC-compliant results in seconds.

CALCULATORS INCLUDED:
EV Charger Load — Complete circuit analysis for EV charger installations
EV Site Load — Full service load calculation for multi-charger sites (NEC 220, 625)
Wire Size — NEC conductor sizing with temperature and conduit corrections
Voltage Drop — Voltage drop analysis with pass/fail results
Breaker Sizing — Overcurrent protection sizing per NEC
Transformer Sizing — kVA transformer sizing for EV service upgrades
Conduit Fill — NEC 358/344 conduit fill percentage calculator
Grounding Conductor — Equipment grounding conductor sizing
Ampacity Derating — Temperature and conduit fill derating per NEC 310
Box Fill — NEC 314.16 box fill calculation
Power Calculator — Watts, amps, and volts conversion

WHY EV CALC PRO:

• Built for the field — fast inputs, instant results
• 100% offline — no internet required, works on job sites
• NEC code references on every calculator
• Dark mode for working in low-light conditions
• Export and share results via text, email, or any app
• Free — no subscription, no paywalls

Part of the Charge Rigs family of tools for EV charging professionals.

## Key features

- EV Charger Load Calculator
- EV Site Load Calculator
- Wire Size Calculator
- Voltage Drop Analysis
- Breaker Sizing
- Offline functionality
- NEC code references

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ev-calc-pro/id6760562066/reviews.md

### 5/5 — Super useful!!

*2026-03-19*

This EVSE Calculator app is incredibly easy to use and surprisingly accurate. The interface is clean and straightforward, making it simple to input your values/details and get instant results. The app runs smoothly without any glitches, and the calculations feel reliable. Overall, it’s a must-have tool for any EV pros!

## Frequently asked questions about EV Calc Pro

### What electrical calculations does EV Calc Pro offer?

EV Calc Pro includes calculators for EV charger load, EV site load, wire sizing, voltage drop, breaker sizing, transformer sizing, conduit fill, grounding conductor, ampacity derating, box fill, and power conversion.

### Is EV Calc Pro available offline?

Yes, EV Calc Pro is 100% offline, meaning it does not require an internet connection to function. This makes it ideal for use on job sites.

### Does EV Calc Pro have ads?

No, EV Calc Pro is ad-free. It is a free application with no advertisements to interrupt your workflow.

### What devices support EV Calc Pro?

EV Calc Pro is currently supported on iPhone and iPod devices. It is designed for mobile use in the field.

### How often is EV Calc Pro updated?

EV Calc Pro was last updated on March 18, 2026, with version 1.0. Future updates will likely align with NEC code changes and user feedback.

### Can I share my calculation results from EV Calc Pro?

Yes, you can export and share your calculation results via text, email, or any other compatible application directly from EV Calc Pro.

### What is the age rating for EV Calc Pro?

EV Calc Pro has an age rating of 4+, making it suitable for users of all ages who require its professional functionality.

### Does EV Calc Pro require a subscription?

No, EV Calc Pro is completely free to use and does not require any subscription or in-app purchases. It is part of the Charge Rigs family of tools.

## Version history (last 1 release)

### 1.0 — 2026-03-18

No release notes.

## More apps by Charge Rigs, LLC

- [EV Social](https://appshunter.io/ios/app/ev-social/id6760091695)

All apps by Charge Rigs, LLC: https://appshunter.io/developer/1882610684

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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 2026-06-11.*