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Body Fat Percentage Calculator

Calculate your body fat percentage using the scientifically validated US Navy formula. Get fat %, lean mass, fat mass and see which fitness category you're in.

US Navy MethodInstant
📏 Measurements
📍 How to measure: Use a flexible tape at the widest/narrowest points. Measure without clothing, relaxed. Take 2-3 readings and use the average.
cm
kg
cm
Measure at the narrowest point below the larynx
cm
At the narrowest point (navel for men)
cm
At the widest point (women only)
📊 Body Composition
Body Fat Percentage
—%
Essential Fat category
— kg
Lean Body Mass
— kg
Fat Mass
BMI
Fat to lose for fit range
Body Fat Categories
CategoryMenWomen

FAQs — Body Fat Percentage