VitalMath
100% on-device
Body composition
See four useful body-composition estimates from one set of measurements: BMI, U.S. Navy body-fat percentage, waist-to-hip ratio, and estimated lean body mass.
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Units
Sex used by Navy formula
Measure on bare skin without compressing it. Navy estimates are sensitive to tape placement and are best used to follow a trend.
Your estimate
18.5% body fat
U.S. Navy circumference estimate
Body mass index
24.7
Standard range
Lean body mass
65.2 kg
Weight minus estimated fat mass
Waist-to-hip ratio
0.9
Above common risk threshold
Estimated fat mass
14.8 kg
Educational estimates only—not medical advice, diagnosis or a substitute for a qualified clinician. Stop exercise and seek care for concerning symptoms.