See the mismatch between BMI and body fat. The old shortcut vs. the real picture. All data stays in your browser.
This analyzer compares your BMI (Body Mass Index) against your body fat percentage side-by-side. BMI only uses height and weight — it cannot see muscle vs. fat. This creates two common misclassifications: BMI false positives (muscular people labeled "overweight") and normal weight obesity (BMI normal but body fat too high). The tool flags these mismatches automatically and shows you which metric to trust. The visualization bar compares your values against population categories.
Tip: If you are athletic or muscular, always prioritize body fat percentage over BMI. If you are sedentary, BMI is a rough screening tool but still misses normal weight obesity.
Track how your BMI and body fat change over time. Stored locally.
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Get your body fat percentage without a DEXA scan.
See how much of your weight is actually muscle.
Plan your path from current to goal body composition.