ElectriCalc Pro Calculator

4.7
158 reviews
1K+
Downloads
Content rating
Everyone
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About this app

NEW: Updated for NEC 2020

The official US-based National Electrical Code® (NEC) ElectriCalc® Pro calculator from Calculated Industries for Android is a full-featured calculator emulation of our popular #5065/#5070 models. And while perhaps obvious, if you change from an Android device to an iPhone or iPad, you WILL need to buy a new license as they are incompatible.

In addition to built-in help, the ElectriCalc Pro electrical code calculator is fully compliant with 2020, 2017, 2014, 2011, 2008, 2005, 2002, 1999, and 1996 NEC®. Future NEC code updates will be available for in-app purchase as they are released.

Electrical Contractors, Designers, Electricians and Lighting Specialists calculate tough electrical calculations in seconds and deliver those solutions in conformance with the latest NEC®. The ElectriCalc Pro calculator is a complete electrical reference tool that will save time, trouble and money—this calc will quickly become an electrician/electrical contractor’s best friend.

ElectriCalc Pro Calculator Solutions:
• Wire Sizes
• Voltage Drop
• Conduit Sizing – 12 types of Conduit
• Motor Full-Load Amps
• Calculate Fuse and Breaker Sizes
• NEC® Table Number displayed when performing Wire Size calculations
• Service and Equipment Grounding Conductor Sizes
• Enter BTU to find Kilowatts per Hour
• Enter Kilowatts per Hour to find BTU
• Parallel Resistance
• Ohm’s Law Calculations – enter any two values to solve for the third using Ohm’s Law
• Circular MILS wire sizes

Description of ElectriCalc Pro Calculations:
• Work directly in and convert between Amps, Watts, Volts, Volt-Amps, kVA, kW, PF% and EFF% and DC Resistance
• Calculate wire sizes per NEC® 310-16 and 310-17; Copper or aluminum, 3Ø/1Ø, 60°C, 75°C, 90°C insulation ratings and 100% or 125% of ampacity. Can also adjust wire sizes for ambient temperatures other than 30◦ C and for more than three wires in a raceway
• Integrated voltage drop solutions. Find minimum voltage drop wire size, maximum Length for any given wire size, voltage drop percentage, actual number and percentage of Volts dropped
• This calc contains conduit sizing for 12 types of conduit. Per 2005 and 2008 NEC® Table C1-C12, find sizing of all common conduits for any combination for #THW, #XHHW and # THHN wires. Plus, gives fill percentages, cross-sectional areas, remaining areas and more
• Find Motor Full-Load Amps per current NEC® directly in the calc. Works in 1Ø and 3Ø with the new expanded tables for 3Ø induction (to 500 hp) synchronous (to 200 hp) and DC motors per NEC® 430-247, 430- 248 and 430-250.
• Calculates Fuse and Breaker Sizes. Solves fuse and breaker sizes per NEC® 430-52
• Parallel and derated wire sizing
• Parallel Resistance
• NEC Table number displays when performing Wire Size calculations
• Sizes overload protection per NEC® 430-32
• Automatically finds NEMA starter sizes.
• Calculates service and equipment grounding conductor sizes per NEC® 250-122 and 250-66; plus works directly in electrical terms.
• Enter BTU to find Kilowatts per Hour
• Enter Kilowatts per Hour to find BTU
• Ohm’s Law Calculations – enter any two values to solve for the third using Ohm’s Law
• Enter, solve or convert to Circular MILS wire sizes

Perfect for Electrical Contractors, Designers, Electricians and Lighting Specialists.

Note: Electrical math is universal, however, code-based sizing solutions are based on the US National Electrical Code® (NEC); users in other countries should check with their local Code Officials for applicability.

Free Technical Support: contact us with any question on how to use your calc by visiting www.calculated.com for support details or email us at techsup@calculated.com. Our Free Technical Support can assist you with any usage question you may have, however, for Google Checkout and/or download issues, please contact Google Play/Android Market for assistance.
Updated on
Aug 11, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
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Ratings and reviews

4.7
147 reviews
Anthony L
April 13, 2022
Better than the physical calculator. Only wish is that it would list the voltage entered on the screen. I spend a lot of time double checking my voltages. It would be great to see amps, voltages, distances on the display. Other voltage drop calculators have this option. With that said, this is still the best calculator in the app store.
7 people found this review helpful
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Calculated Industries
April 14, 2022
Anthony, Thanks for the 5 stars and for providing your valuable feedback. Please reach out to us at +18008548075, if you have other suggestions.
Graeme Payne
May 7, 2021
Since I'm old & retired from electronics & electrical work, it's a useful help and more reliable than what passes for my memory these days. I do wish this company revived their old statistical process control and quality assurance calculator again. That would be useful as well.
7 people found this review helpful
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Calculated Industries
May 11, 2021
Thank you for the feedback Graeme!
A Google user
November 4, 2019
Great app. Works just like the dedicated calculator. Have had no problems with it.
15 people found this review helpful
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Calculated Industries
November 4, 2019
Thank you Terry!

What's new

updated target SDK to 33
fixed font sizes on keys