# Power Calculator > Electrical power and lighting calculator for industry professionals and casual users. (iPhone/iPad app by Power Continuity Limited.) - Source: https://appshunter.io/ios/app/power-calculator/id454548791 (this page in markdown: same URL + `.md`) - Developer: [Power Continuity Limited](https://appshunter.io/developer/454548794) - Category: Utilities, Productivity - Price: Free - Rating: 4.50/5 from 2 App Store ratings · 19 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 2 MB - Languages: American English - Released: 2011-08-08 - Data updated: 2026-06-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/power-calculator/id454548791/reviews.md ## What is Power Calculator? A simple no fuss calculator for electrical industry professionals & casual users alike. Incorporates a range of electrical power & lighting calculators: • KW and kVA and Amps • Calculate generator requirements (single or three phase) • Calculate UPS requirements (single or three phase) • Convert Lumens & Watts • Generator Fuel Consumption • Generator Power Calculator ## Key features - KW, kVA, and Amps calculation - Generator requirements calculation (single/three phase) - UPS requirements calculation (single/three phase) - Lumens and Watts conversion - Generator fuel consumption calculation - Generator power calculation ## Recent user reviews (10 of 19) All indexed reviews: https://appshunter.io/ios/app/power-calculator/id454548791/reviews.md ### 5/5 — Nifty *2017-12-06, version 1.5.1* Handy little engineering calculator this one. A keeper. ### 5/5 — Very helpful *2017-12-06, version 1.5.1* I use this app on a regular basis. Great tool to have on site for a quick and helpful calculation. Highly recommended! ### 5/5 — SO HELPFUL *2017-12-06, version 1.5.1* It’s been so helpful when I need to make quick calculations as the formulas are built into the app ### 4/5 — Great *2015-07-19* I like this app and it is very helpful. The only problem is you cannot use it while on a phone call. ### 1/5 — no lumen calculator as described *2015-04-25* no lumen calculator as descry misleading ### 2/5 — No lux *2015-01-11, version 1.2.1* Doesnt have the lumen converter that one of the advertizing images shows. Thats what i was looking for. Oh well. ### 4/5 — NO Lumens convertion *2014-09-11* Great app but No Lumens conversion as describe. ### 5/5 — Great app *2014-04-02, version 1.0.1* Don't usually do reviews but this app is very helpful for calculations without having to use your brain ### 5/5 — Great App *2013-10-25* Simple to use. Quick calculations. All round great app. Keep up the good work. ### 5/5 — Fantastic *2012-10-23, version 1.0.1* Just what is needed for quick calculations out and about. Brilliant and simple to use. ## Frequently asked questions about Power Calculator ### What electrical calculations can Power Calculator perform? Power Calculator can compute KW, kVA, and Amps, determine generator and UPS requirements for single or three-phase systems, convert Lumens to Watts, and calculate generator fuel consumption and power. ### Is Power Calculator suitable for professionals? Yes, the app is designed with electrical industry professionals in mind, offering specific tools for their needs. It also caters to casual users who may need occasional electrical calculations. ### What devices does Power Calculator support? Power Calculator is available for iPhone, iPad, and iPod devices. ### How frequently is Power Calculator updated? The app was last updated on September 5, 2023, indicating ongoing maintenance and potential feature additions. ### What is the age rating for Power Calculator? Power Calculator has an age rating of 4+, making it suitable for a wide range of users. ### Does Power Calculator have ads? No, Power Calculator does not contain advertisements. ### What is the user rating for Power Calculator? Power Calculator has a strong user rating of 4.5 stars based on 2 reviews. ### When was Power Calculator first released? Power Calculator was first released on August 8, 2011. ## Version history (last 5 releases) ### 1.7.8 — 2023-09-05 App share link added. ### 1.7.7 — 2023-06-27 Bug fixes and improvements. ### 1.7.5 — 2023-05-26 Bug fixes and improvements ### 1.7.4 — 2020-06-30 Fixed Bugs and Enhanced features. ### 1.7.3 — 2019-05-15 Bug fixes and performance improvements ## Apps similar to Power Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Ohm's Law Calculator](https://appshunter.io/ios/app/ohms-law-calculator/id1518919778) | 5.0 (2) | Free | Utilities | | [ROE Calculator](https://appshunter.io/ios/app/roe-calculator/id6443583117) | 4.0 (1) | Free | Utilities | | [Nomad Fueling](https://appshunter.io/ios/app/nomad-fueling/id1576337327) | 5.0 (5) | Free | Utilities | | [piXedid](https://appshunter.io/ios/app/pixedid/id1513186628) | 4.0 (1) | Free | Utilities | | [The Best Calculator - Calc Pro](https://appshunter.io/ios/app/the-best-calculator-calc-pro/id451544502) | 4.6 (4,638) | Free | Utilities | | [KezzlerTrack](https://appshunter.io/ios/app/kezzlertrack/id1371313096) | 1.0 (1) | Free | Utilities | ## Related topics [power calculator](https://appshunter.io/ios/topics/power-calculator) · [wavelengthenergycalc](https://appshunter.io/ios/topics/wavelengthenergycalc) · [oucu](https://appshunter.io/ios/topics/oucu) · [watts amps volts calculator](https://appshunter.io/ios/topics/watts-amps-volts-calculator) · [kva calculator](https://appshunter.io/ios/topics/kva-calculator) --- *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 2026-06-05.*