Southwire® Conversion Calc vs Conduit Fill Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Southwire® Conversion Calc
This utility app facilitates conversions between copper and aluminum electrical wiring. It allows users to calculate pricing, unit of measure, conversion factors, and weight based on product length. The app comes preloaded with numerous cable types for easy calculation.
- Copper to aluminum conversion
- Aluminum to copper conversion
- Pricing unit of measure calculation
- Conversion factor calculation
- Weight per product length calculation
- Preloaded cable data
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Southwire's Conversion Calculator helps to convert copper to aluminum or aluminum to copper, pricing unit of measure, conversion factor and weight per product length. Preloaded with many cables for calculation.
Conduit Fill Pro
This app provides professional electricians with a suite of tools for electrical calculations, including conduit fill, junction box fill, and voltage drop. It offers detailed breakdowns, code references, and offline functionality for job site reliability. Generate PDF reports for documentation and inspections.
- Conduit fill calculations for various types and sizes
- Junction box fill analysis
- Voltage drop calculator
- Step-by-step breakdowns with formulas and code references
- Built-in reference tables
- Offline functionality
- PDF report generation
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All your electrical calculations in one place — fast, accurate, and code-compliant. ConduitFill Pro is a professional electrician's calculator built for modern electrical work. Every result includes formulas, steps, and code references, so you can verify the work with confidence. Used by apprentices, journeymen, master electricians, and inspectors. Conduit Fill Calculator supports EMT, IMC, RMC, PVC (Sch 40/80), ENT, FMC, and LFMC across 10 trade sizes and multiple insulation types including THHN, XHHW, RHH, THW, and USE-2. Verifies against standard fill limits (53% / 31% / 40%) and includes Nipple Mode for 60% fill on runs under 24 inches. Find Minimum Conduit Size by entering wire count and gauge to instantly get the smallest compliant conduit for your installation. Junction Box Fill calculates conductors, clamps, devices, equipment grounding conductors, and fixture studs and hickeys. Voltage Drop Calculator supports single-phase and three-phase systems, copper and aluminum conductors, and automatically determines minimum wire size. Easily check voltage drop for conductors from your conduit fill calculation. Every calculation includes a full step-by-step breakdown with formulas and values — no black box. You see exactly how results are calculated. Built-in reference tables cover conduit fill percentages, conduit areas, conductor areas, ampacity ratings, and box fill rules. All data aligns with current industry standards. Generate clean PDF reports with inputs, formulas, references, and timestamps — ready for inspections and project documentation. Works fully offline with all reference data stored locally. No internet required, making it reliable on job sites, basements, and panel rooms. Conduit Fill Pro is built for real-world electrical work — fast, transparent, and reliable Privacy Policy: https://docs.nikitin.fyi/com.conduitfill.calculator/privacy-policy.html Terms of Service: https://docs.nikitin.fyi/com.conduitfill.calculator/terms-of-service.html
Screenshots
Verdict
The clearest difference is review sentiment: Conduit Fill Pro at 100% against Southwire® Conversion Calc's 0%. Southwire® Conversion Calc's advantage is rating (4.2 vs 3.7) and in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Conduit Fill Pro sells 2 in-app purchases, starting at $4.99 per month. Southwire® Conversion Calc asks for nothing beyond the download.
Southwire® Conversion Calc holds the better App Store score, 4.2 against 3.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews complicate that: 0% of Southwire® Conversion Calc's written reviews are positive against 100% of Conduit Fill Pro's, so the app with the better star average is not the one people write more warmly about.
| Parameter | Southwire® Conversion Calc | Conduit Fill Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Mikhail Nikitin |
Customer experience
Southwire® Conversion Calc
Conduit Fill Pro
In-app purchases
Southwire® Conversion Calc
No in-app purchases
Conduit Fill Pro
- premium$4.991 Month
- premium7 Days trial$29.991 Year
Questions
Is Southwire® Conversion Calc free?
Is Conduit Fill Pro free?
Which has better reviews, Southwire® Conversion Calc or Conduit Fill Pro?
Do Southwire® Conversion Calc or Conduit Fill Pro have ads?
Other comparisons
