Iron Calculator - Lbs/Kg Calc
Calculate PR & Weight - Lbs/Kg
Archived App (Last seen on 17 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Easily convert between kilograms and pounds for your fitness tracking. This app helps you calculate your one-rep max (1RM) and record your personal bests with a single tap.
What's New in Iron Calculator
1.0
November 10, 2025
Developer apps
FAQ
How does Iron Calculator convert weights?
Iron Calculator allows for quick conversion between kilograms (kg) and pounds (lbs). This feature is essential for users who train in different regions or use equipment marked in different units.
What is the 1RM calculator feature in Iron Calculator?
The 1RM calculator helps you estimate your one-rep maximum, which is the maximum weight you can lift for a single repetition. This is a key metric for strength training progress.
Can I track my personal records with Iron Calculator?
Yes, Iron Calculator enables you to record and trace your personal records (PRs) with a single tap. This makes it easy to monitor your strength gains over time.
What devices does Iron Calculator support?
Iron Calculator is currently supported on iPhones. It was released on November 10, 2025, with version 1.0.
Is Iron Calculator free to use?
Yes, Iron Calculator is completely free to download and use. There are no costs associated with its core functionality.
Does Iron Calculator have ads?
No, Iron Calculator does not contain advertisements. It is a completely ad-free experience for users.
What is the age rating for Iron Calculator?
Iron Calculator has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals interested in fitness.
How often is Iron Calculator updated?
The application was last updated on November 10, 2025, with version 1.0. Future updates will be released by the developer, Chi Zhang.
