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Screenshots

  • FFMI Calc screenshot 1
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  • FFMI Calc screenshot 3

About FFMI Calc

■ Main Features Instant FFMI & Normalized FFMI Calculation Simply enter your height, weight, and body fat percentage to instantly calculate your Fat-Free Mass Index (FFMI) and "Normalized FFMI," which adjusts for height differences to ensure a fair evaluation. [NEW] Target FFMI Reverse Simulator "What changes do I need to make to reach a Normalized FFMI of 22?" Just set your target value, and the app automatically generates a "Body Fat % and Target Weight combination list" based on your height. It strongly supports your specific goal setting, from bulking up to cutting, by factoring in body fat fluctuations. Classification Rank Display Based on your calculated values, it provides intuitive feedback on where your muscle mass ranks, from below average up to the "God-like" level. Global Support Full compatibility with both Metric (cm/kg) and Imperial (ft/lbs) systems. It also supports multiple languages (Japanese, English, Korean, Traditional Chinese, and German).

What’s new

Version 2.0.4 · Updated October 16, 2026

Added assets.

App privacy

The developer, Tomoharu Iseki, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to FFMI Calc

Looking for apps like FFMI Calc? Here are 6 similar apps on the App Store. The highest rated is Heroic Health (5.0/5), and all 6 are free to download.

FFMI Calc vs. alternatives
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