Comparison

Southwire® Conversion Calc vs Cerrowire Calculators

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Copper to aluminum conversion
  • Aluminum to copper conversion
  • Pricing unit of measure calculation
  • Conversion factor calculation
  • Weight per product length calculation
  • Preloaded cable data
Features
Read full description

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.

About

Cerrowire Calculators

Calculate conduit fill and size based on NEC guidelines for copper and aluminum building wire. Determine the maximum number of conductors for a given raceway or the required raceway size for specific conductors.

Highlights
  • NEC conduit fill calculations
  • Conduit sizing for conductors
  • Supports copper and aluminum wire
  • Calculates for various raceway types (EMT, PVC, RMC)
  • Based on National Electrical Code®
Features
Read full description

Looking for a quick and easy way to size conduit per the NEC? Cerro Wire LLC (Cerrowire) created this app to help you figure out what size conduit to use for copper and aluminum building wire. Two calculators allow you to determine what is the maximum number of conductors that will fit in a type and size of raceway, or what size raceway is required for the type(s) and size(s) of conductors in your circuit. All results are based on the National Electrical Code®. The app can be used to calculate raceway size or fill for EMT, PVC, RMC, etc., with insulated and bare copper and/or aluminum conductors. (Stay tuned for more calculators that will be added in the near future!) Cerrowire is headquartered in Hartselle, Alabama. Cerrowire is a copper wire manufacturing company with plants in Alabama, Georgia, Indiana, and Utah. We supply building wire and cable throughout North America for commercial, industrial and residential use. Our products are available through electrical distributors, wholesalers, and retailers. Cerrowire – a Marmon/Berkshire Hathaway company – follows the time-tested business model of our parent company to continually improve both our process and our products in order to offer advantages that meet the needs of customers. The end results for our customers are products, packaging, services, and tools that anticipate and fill the ever-evolving needs of the competitive construction industry.

Screenshots

Southwire® Conversion Calc4 screens
Cerrowire Calculators4 screens

Verdict

The call

The clearest difference is review sentiment: Cerrowire Calculators at 100% against Southwire® Conversion Calc's 0%. Cerrowire Calculators also leads on rating (5.0 vs 4.2) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Cerrowire Calculators holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 0% of Southwire® Conversion Calc's written reviews are positive against 100% of Cerrowire Calculators's.

UpkeepUpdate frequency

Southwire® Conversion Calc ships an update every 4 months, Cerrowire Calculators every 3 months. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Southwire® Conversion Calc versus Cerrowire Calculators: the parameters behind the verdict, then further details
ParameterSouthwire® Conversion CalcCerrowire Calculators
PriceFreeFree
Rating4.2 (5 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings55
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.68.0 — better
Further details — not scored
Size7 MB32 MB
Age rating4+4+
DeveloperSouthwire CompanyCerro Wire LLC

Customer experience

Southwire® Conversion Calc

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Cerrowire Calculators

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Southwire® Conversion Calc

No in-app purchases

None

Cerrowire Calculators

No in-app purchases

Questions

Is Southwire® Conversion Calc free?
Southwire® Conversion Calc is free to download, with no in-app purchases.
Is Cerrowire Calculators free?
Cerrowire Calculators is free to download, with no in-app purchases.
Which has better reviews, Southwire® Conversion Calc or Cerrowire Calculators?
Cerrowire Calculators is rated higher. Southwire® Conversion Calc averages 4.2 out of 5 from 5 ratings, while Cerrowire Calculators averages 5.0 from 5 ratings.
Do Southwire® Conversion Calc or Cerrowire Calculators have ads?
Neither Southwire® Conversion Calc nor Cerrowire Calculators shows ads.
Which is updated more often, Southwire® Conversion Calc or Cerrowire Calculators?
Southwire® Conversion Calc ships an update every 4 months, and Cerrowire Calculators every 3 months. Most recently, Southwire® Conversion Calc was updated on October 2, 2026 and Cerrowire Calculators on October 10, 2026.

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