Male Body Composition Calculator
Body fat and lean mass targets by age and activity level.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Body fat (%)
20.3
Lean mass (kg)67.7
Fat mass (kg)17.3
BMI26.8
FFMI21.4
Normalized FFMI21.5
FFMI class (0-5)2
Waist-to-hip ratio0.9
WHR risk (0/1/2)1
Fitness category (0-4)3
Weight at 15% BF (kg)79.6
Fat to lose for 15% BF (kg)5.4
Weight At12Pct76.9%
Weight At20Pct84.6%
How to Use This Calculator
- Enter age, height (cm), and weight (kg).
- Measure waist circumference (cm) at navel level while relaxed, and neck circumference (cm) at the narrowest point.
- Measure hip circumference (cm) at the widest point.
- Review Body fat (%) calculated via the US Navy method and Lean mass (kg) / Fat mass (kg) breakdown.
- Check FFMI and Normalized FFMI to assess muscularity, and Fat to lose for 15% BF (kg) as a body recomposition target.
Ad Placeholder
Related Calculators
Weight Training Recovery Calculator
Recovery time between sessions from age and training volume.
Male Fertility Calculator
Semen analysis parameter interpretation.
Testosterone Level Interpreter Calculator
T-level interpretation by age with symptom correlation.
Men's Heart Health Score Calculator
Cardiovascular risk from lifestyle factors.
Ad Placeholder