Beyond the scale.
The full picture.
What your body is actually made of, how it distributes weight, and what those numbers mean for your metabolic health.
Explore the group.
Each tool gives you a different lens on body composition. Use them together for the clearest picture.
BMI Calculator
Body Mass Index from height and weight. The most widely known metric, framed with honest metabolic context and significant limitations.
Body Fat % Estimator
Navy method estimation from waist, neck, and height. No calipers needed. Strong everyday accuracy for most body types.
Lean Body Mass Calculator
Total weight minus estimated fat mass. The number most metabolic interventions should actually target.
Waist Ratio Tools
WHR and WHtR on one page with shared inputs. The plain "waist less than half your height" rule plus cardiovascular risk context.
Ideal Body Weight & Protein
Four validated medical formulas for your ideal weight range, plus your daily protein floor in grams.
Explore other groups.
Educational tools only. Not for diagnostic purposes. Consult a healthcare provider for medical decisions.