Body Recomposition Visualizer & Tape Measurement Tracker

Demonstrating why scale weight stays unchanged while physical volume and tape measurements shrink.

Recomposition Lab Controls
Presets:
Fat Mass Change (kg): -2.0 kg
Muscle Mass Change (kg): +2.0 kg
Initial Baseline Parameters
Initial Tape Circumferences (cm)
2D Tissue Cross-Section & Silhouette Fat (0.90 g/cm³) vs Muscle (1.06 g/cm³)
Total Weight Delta
0.0 kg
Net Physical Volume
-760.87 cm³
Est. Waist Drop
-2.17 cm
Final Body Fat %
27.14%
Scale reads unchanged (70.0 kg), but body density increased and total physical volume decreased by ~761 cm³ (~2.2 cm waist drop).