# FieldCalc Pro — NEC, ASHRAE & IRC Calculators

> NEC, ASHRAE & IRC Calculators (iPhone/iPad app by Troy Bearden.)

- Source: https://appshunter.io/ios/app/fieldcalc-pro/id6758321103 (this page in markdown: same URL + `.md`)
- Developer: [Troy Bearden](https://appshunter.io/developer/1863167432)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.6 · 2 MB
- Languages: American English
- Released: 2026-03-23
- Data updated: 2026-06-11
- User reviews in markdown: https://appshunter.io/ios/app/fieldcalc-pro/id6758321103/reviews.md

## What is FieldCalc Pro?

FieldCalc Pro puts 28 professional trade calculators in your pocket — built for the job site, referenced to real codes, and 100% offline.

ELECTRICAL (NEC 2023)
Ohm's Law, Voltage Drop, Wire Sizing with DLO cable & parallel conductor support, Conduit Fill, Load Calculator, Motor FLA, Transformer Sizing, Breaker & Fuse Sizing, Power Factor Correction.

HVAC (ASHRAE)
BTU Heat Load, CFM Airflow, Duct Sizing, Equipment Sizing, Refrigerant Charge, Ventilation Rate (ASHRAE 62.1), Psychrometric, Heat Exchanger, Cooling Tower.

CONSTRUCTION (IRC / ACI)
Concrete Volume, Paint Coverage, Lumber Framing, Drywall Estimator, Roof Pitch & Area, Gravel & Aggregate, Brick & Block, Rebar Spacing (ACI 318-19), Staircase (IRC R311.7), Tile Estimator.

EVERY CALCULATOR SHOWS ITS CODE
Each result cites the applicable standard and edition year. Compliance badges show whether a calculator is code-compliant, standards-referenced, or an estimation tool. Wire sizes display both AWG/kcmil and mm² for international use.

PRO FEATURES
  - All 28 calculators unlocked
  - Job-site photo attachments (up to 3 per calculation)
  - Batch calculations — compare up to 20 scenarios side by side
  - PDF reports with your company logo and license number
  - CSV export for estimating and documentation
  - Imperial/metric toggle on all results
  - Calculation history with search and trade filter
  - Unlimited projects
  - iCloud sync across devices

FREE FEATURES
  - 6 calculators (2 per trade) with full code references
  - Unit converter with AWG-to-mm², HP-to-kW, and more
  - 1 project
  - Works 100% offline — no account, no internet, no tracking

BUILT FOR THE FIELD
  - Large touch targets for gloves and sunlight
  - Input memory remembers your last values
  - Haptic feedback on calculations and compliance results
  - Spotlight search — find any calculator from your home screen
  - Quick Actions — jump to recent calculators from the app icon

Start with a 7-day free trial. $4.99/month or $49.99/year after trial.

Support URL:
https://www.bytecovesoftware.com/fieldcalc/support

Marketing URL:
https://www.bytecovesoftware.com/fieldcalc

Privacy Policy URL:
https://www.bytecovesoftware.com/fieldcalc/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| FieldCalc Pro Monthly | $4.99 | per month |
| FieldCalc Pro Yearly | $49.99 | per year |



## Version history (last 1 release)

### 1.0 — 2026-03-23

No release notes.

## More apps by Troy Bearden

- [Caption AI: Social Media](https://appshunter.io/ios/app/caption-ai-social-media/id6756833067)
- [PlateFlow: AI Meal Planner](https://appshunter.io/ios/app/plateflow-ai-meal-planner/id6757500122)
- [WordBrew: A Cozy Word Game](https://appshunter.io/ios/app/wordbrew-a-cozy-word-game/id6759893201)
- [Blox Breaker - Block Game](https://appshunter.io/ios/app/blox-breaker-block-game/id6760454712)

All apps by Troy Bearden: https://appshunter.io/developer/1863167432

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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.*