Quickly convert between various units of power, including watts, kilowatts, megawatts, gigawatts, milliwatts, and microwatts. Ideal for builders, electricians, and physicists needing rapid unit conversions.



247+ iOS apps curated and reviewed
Every iPhone needs a few good power converter apps. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free was $1.99 | 3.0★ (2) | No | Yes | Aug 2026 | |
| 2 | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 3 | Free | — | No | No | May 2026 | |
| 4 | $9.99 was $19.99 | 4.3★ (7) | No | No | Aug 2026 | |
| 5 | Free | 1.0★ (3) | No | No | May 2026 | |
| 6 | Free | 4.0★ (1) | No | No | Aug 2026 | |
| 7 | Free | — | No | No | May 2026 | |
| 8 | Free | 2.0★ (7) | Yes | No | May 2026 |



Quickly convert between various units of power, including watts, kilowatts, megawatts, gigawatts, milliwatts, and microwatts. Ideal for builders, electricians, and physicists needing rapid unit conversions.

Easily calculate electrical power, amperage, or voltage. This tool simplifies electrical calculations for users needing to find one value when the other two are known.







Easily convert between a vast array of US, imperial, and metric units across multiple categories including length, area, volume, weight, and temperature. This comprehensive tool supports numerous specific units within each conversion type.


This utility app provides quick and easy conversions between various measurement units. It supports standard categories like length, area, volume, and weight, as well as specialized units for angle, speed, data storage, and currency for over 160 countries.


Easily convert between a vast array of units across 20 categories. Simply select a category, input your value, and choose the desired units to see the conversion result.


Easily convert between various units of measurement for mass, temperature, distance, volume, pressure, area, weight, density, and more. This application supports both standard and exotic units, offering a straightforward solution for diverse conversion needs.


This application offers a professional and user-friendly interface for converting between various units. It supports over 300 units across more than 20 categories, including currency, temperature, and length.


Easily convert PowerPoint files to PDF and PDF documents to PPT or PPTX. This user-friendly tool offers high-quality conversions for various file sizes, making document management efficient.




This application simplifies daily unit conversions with easy-to-use tools. It offers a comprehensive range of conversions across basic, living, and science categories, making calculations accessible to everyone.


Easily convert between various units across multiple categories like length, temperature, and weight. Access past conversions through a history list and send calculations via email. This free version offers core functionality with an option to upgrade for full category access.


This app offers a comprehensive unit conversion tool with over 30 categories and hundreds of conversions. It includes an integrated calculator for quick calculations without leaving the app. Perform conversions for various measurements like length, temperature, and data, all while working offline.




Transform images and PDFs into editable CAD files with AI-powered conversion. Supports batch processing and multiple standard CAD formats, ensuring high accuracy for professional use. Ideal for architects, engineers, designers, and hobbyists.








This app provides a powerful and intuitive way to convert between a wide range of units, including length, weight, temperature, and more. It offers simultaneous conversion of multiple units and customizable options for a personalized experience. Get instant, accurate results for all your conversion needs.

