# Calcutron — Aspect Ratio & Size Calculator > Proportionally resize digital assets and layouts based on aspect ratio and current size. (iPhone/iPad app by Solo Design, LLC.) - Source: https://appshunter.io/ios/app/calcutron/id867388850 (this page in markdown: same URL + `.md`) - Developer: [Solo Design, LLC](https://appshunter.io/developer/867388853) - Category: Utilities, Photo & Video - Price: $0.99 - Rating: 5.00/5 from 3 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 14.7 · 0 MB - Languages: American English - Released: 2014-04-26 - Data updated: 2026-06-08 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/calcutron/id867388850/reviews.md ## What is Calcutron? Calcutron is a tool for designers, developers, graphic artists, photographers, or anyone who needs to proportionally resize digital assets or layouts based on their current size or aspect ratio. Calcutron makes it easy to quickly determine the new dimensions of any asset, such as video, photographs, or graphics. Simply enter one dimension and the other dimension is automatically calculated for you based on the original size or aspect ratio. In addition to graphic-professionals, Calcutron is a great tool for programmers who need to resize images or video in code. It can be a real time-saver over doing all the calculations manually. FEATURES • Enter the width or height to automatically calculate the other dimension. • Choose from a list of common aspect ratios or enter your own. • Save your most-used sizes as favorites. • Quickly swap width and height values with a single tap. • Round calculated dimensions up, down, or nearest - from 0-4 decimal places. ## Key features - Calculate missing dimension automatically - Use common or custom aspect ratios - Save frequently used sizes - Swap width and height with one tap - Round dimensions to specified decimal places ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/calcutron/id867388850/reviews.md ### 4/5 — Nice 👍🏻 Useful *2021-08-13* Nice that you can save favourites. Needs updating for latest phones but I still use this frequently ### 5/5 — Clean & Simple *2017-05-29, version 2.5* Does exactly what I need it to. It's a welcome addition to my toolbox. ### 5/5 — Nice *2014-06-17, version 2.0* Simple and useful utility ### 5/5 — SWEET! *2014-05-21, version 2.0* What a beautifully simple app! ## Frequently asked questions about Calcutron ### What is Calcutron used for? Calcutron is a utility app designed to help users proportionally resize digital assets and layouts. It calculates missing dimensions based on the current size or aspect ratio, saving time for designers, developers, and artists. ### How does Calcutron calculate new dimensions? You can enter either the width or height of your asset, and Calcutron will automatically calculate the other dimension based on the original size or a chosen aspect ratio. You can also choose to round the calculated dimensions to a specific number of decimal places. ### Can I save my common aspect ratios in Calcutron? Yes, Calcutron allows you to save your most frequently used sizes as favorites. This makes it quick and easy to access them again without re-entering the details. ### What devices does Calcutron support? Calcutron is available for iPhone and iPod devices. It was last updated on June 15, 2023, with version 3.5. ### How much does Calcutron cost? Calcutron is a paid application, priced at $0.99. It does not feature in-app purchases or advertisements. ### Is Calcutron suitable for professional use? Yes, Calcutron is designed for professionals like designers, developers, and photographers who need precise control over asset resizing. Its features for custom aspect ratios and rounding make it a valuable tool for professional workflows. ### Does Calcutron have ads? No, Calcutron is completely ad-free. Users can enjoy the full functionality of the app without any interruptions from advertisements. ### What is the age rating for Calcutron? Calcutron has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ## Version history (last 5 releases) ### 3.5 — 2023-06-15 Compatibility update for the latest iPhones and iOS versions. ### 3.0 — 2019-10-06 Added support for iPhone X and 11 screen sizes. If you're finding Calcutron useful, please consider giving it a nice rating on the App Store. ### 2.5 — 2017-05-29 - compatibility updates - minor UI updates ### 2.0 — 2014-05-09 New settings added for controlling the number of decimal places and rounding method for calculated dimensions. If you like Calcutron, please take a moment to give it a nice review in the app store. It really helps a lot. ### 1 — 2014-04-25 No release notes. ## Apps similar to Calcutron | App | Rating | Price | Category | | --- | --- | --- | --- | | [Golden Ratio Calculator Plus](https://appshunter.io/ios/app/golden-ratio-calculator-plus/id6443533034) | 2.3 (3) | $2.99 | Utilities | | [Construction Calc Lite](https://appshunter.io/ios/app/construction-calc-lite/id380648615) | 4.7 (112) | Free | Utilities | | [Megapixel Calculator](https://appshunter.io/ios/app/megapixel-calculator/id1452649309) | 5.0 (2) | Free | Utilities | | [Geomulator](https://appshunter.io/ios/app/geomulator/id894916514) | 1.0 (1) | $1.99 | Utilities | | [Archiscale-scale,formula,ruler](https://appshunter.io/ios/app/archiscale-scaleformularuler/id6692609479) | — | Free | Utilities | | [Stair Calculator: Run & Rise](https://appshunter.io/ios/app/stair-calculator-run-and-rise/id6502868383) | 4.1 (33) | Free | Utilities | --- *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 2026-06-08.*